Quick view Details PRL motorsports | sku: PRL-RAD-CAP-1.3 High Performance 1.3 Bar Radiator Cap - Type-B MSRP: Now: $24.99 Add to Cart Compare Quick view Details Koyo | sku: SK-D13 Koyo Radiator Cap Blue Cap MSRP: Now: $35.00 Add to Cart Compare Quick view Details Koyo | sku: koySK-C13 Koyo Radiator Cap MSRP: Now: $35.00 Add to Cart Compare Quick view Details Acuity Instruments | sku: 1912 Acuity 9th Gen Civic Si Silicone Radiator Hoses MSRP: $115.00 Now: $109.00 Add to Cart Compare SALE Quick view Details Koyo | sku: KH082661 2012-2015 Honda Civic Si Koyo Radiator - V-Series MSRP: Was: $464.40 Now: $310.00 Add to Cart Compare Quick view Details Skunk2 Skunk2 custom 2012-2015 Civic Si Radiator kit MSRP: $359.00 Now: $330.00 Add to Cart Compare Quick view Details K-Tuned K-Tuned High Pressure Radiator Cap MSRP: $27.69 Now: $26.55 Add to Cart Compare Quick view Details HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Blue Reinforced Silicone Radiator Hose Kit MSRP: Now: $132.00 Add to Cart Compare Quick view Details HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Red Reinforced Silicone Radiator Hose Kit MSRP: Now: $132.00 Add to Cart Compare Quick view Details HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Black Reinforced Silicone Radiator Hose Kit MSRP: Now: $132.00 Add to Cart Compare Quick view PRL motorsports | sku: PRL-RAD-CAP-1.3 High Performance 1.3 Bar Radiator Cap - Type-B Universal Honda / Acura Rad Cap - Fits MOST Factory Radiators Overview Important Notes: The PRL Motorsports radiator cap improves your engine's cooling system and engine bay's aesthetics. This 1.3 Bar High Performance Radiator... MSRP: Now: $24.99 Add to Cart Compare Quick view Koyo | sku: SK-D13 Koyo Radiator Cap Blue Cap Extract every ounce of cooling efficiency from Koyorad All Aluminum Performance Radiators with a genuine Koyorad Hyper Cap! This Koyorad Hyper Cap withstands an increased valve pressure rating of 1.3kgf/cm2 (1.3 bar) (18.9 psi) (130 kPa) which increases... MSRP: Now: $35.00 Add to Cart Compare Quick view Koyo | sku: koySK-C13 Koyo Radiator Cap Can you handle the pressure? The Koyorad hyper Radiator Cap is for intelligent tuners who demand to extract every ounce of cooling efficiency from their performance machines. Koyorad highly recommends our 1.3 bar Koyorad Hyper Cap (Koyo part number... MSRP: Now: $35.00 Add to Cart Compare Quick view Acuity Instruments | sku: 1912 Acuity 9th Gen Civic Si Silicone Radiator Hoses -'12-'15 HONDA Civic Si*************************************Features:-Silicone construction withstands temps up to 100F higher than OEM hoses-Black exterior with ACUITY purple hose lining-Upper hose design provides extra clearance for use with OEM or... MSRP: $115.00 Now: $109.00 Add to Cart Compare SALE Quick view Koyo | sku: KH082661 2012-2015 Honda Civic Si Koyo Radiator - V-Series Koyo high performance radiators are designed, manufactured and specified to original equipment (OE) specifications. Koyo radiators are renowned for their OE style design made especially for Honda Civic vehicles. Koyo is Japan's largest aftermarket... MSRP: Was: $464.40 Now: $310.00 Add to Cart Compare Quick view Skunk2 Skunk2 custom 2012-2015 Civic Si Radiator kit Skunk2’s all-aluminum, full-size Alpha Series Radiator for the ’06-’11 Civic Si is a direct-fit upgrade designed to dramatically increase both cooling efficiency and engine performance. Alpha Series Radiators are manufactured from... MSRP: $359.00 Now: $330.00 Add to Cart Compare Quick view K-Tuned K-Tuned High Pressure Radiator Cap NOTE: This does not fit our K-Tuned Pass Side Rad.K-Tuned High Pressure Rad Caps were designed specifically to end the confusion over which cap is used with our upper coolant neck filler option. Also keep in mind that these rad caps can also be used on... MSRP: $27.69 Now: $26.55 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Blue Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Red Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Black Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this HPS... MSRP: Now: $132.00 Add to Cart Compare Compare Selected × OK
Quick view Details Koyo | sku: SK-D13 Koyo Radiator Cap Blue Cap MSRP: Now: $35.00 Add to Cart Compare Quick view Details Koyo | sku: koySK-C13 Koyo Radiator Cap MSRP: Now: $35.00 Add to Cart Compare Quick view Details Acuity Instruments | sku: 1912 Acuity 9th Gen Civic Si Silicone Radiator Hoses MSRP: $115.00 Now: $109.00 Add to Cart Compare SALE Quick view Details Koyo | sku: KH082661 2012-2015 Honda Civic Si Koyo Radiator - V-Series MSRP: Was: $464.40 Now: $310.00 Add to Cart Compare Quick view Details Skunk2 Skunk2 custom 2012-2015 Civic Si Radiator kit MSRP: $359.00 Now: $330.00 Add to Cart Compare Quick view Details K-Tuned K-Tuned High Pressure Radiator Cap MSRP: $27.69 Now: $26.55 Add to Cart Compare Quick view Details HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Blue Reinforced Silicone Radiator Hose Kit MSRP: Now: $132.00 Add to Cart Compare Quick view Details HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Red Reinforced Silicone Radiator Hose Kit MSRP: Now: $132.00 Add to Cart Compare Quick view Details HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Black Reinforced Silicone Radiator Hose Kit MSRP: Now: $132.00 Add to Cart Compare Quick view PRL motorsports | sku: PRL-RAD-CAP-1.3 High Performance 1.3 Bar Radiator Cap - Type-B Universal Honda / Acura Rad Cap - Fits MOST Factory Radiators Overview Important Notes: The PRL Motorsports radiator cap improves your engine's cooling system and engine bay's aesthetics. This 1.3 Bar High Performance Radiator... MSRP: Now: $24.99 Add to Cart Compare Quick view Koyo | sku: SK-D13 Koyo Radiator Cap Blue Cap Extract every ounce of cooling efficiency from Koyorad All Aluminum Performance Radiators with a genuine Koyorad Hyper Cap! This Koyorad Hyper Cap withstands an increased valve pressure rating of 1.3kgf/cm2 (1.3 bar) (18.9 psi) (130 kPa) which increases... MSRP: Now: $35.00 Add to Cart Compare Quick view Koyo | sku: koySK-C13 Koyo Radiator Cap Can you handle the pressure? The Koyorad hyper Radiator Cap is for intelligent tuners who demand to extract every ounce of cooling efficiency from their performance machines. Koyorad highly recommends our 1.3 bar Koyorad Hyper Cap (Koyo part number... MSRP: Now: $35.00 Add to Cart Compare Quick view Acuity Instruments | sku: 1912 Acuity 9th Gen Civic Si Silicone Radiator Hoses -'12-'15 HONDA Civic Si*************************************Features:-Silicone construction withstands temps up to 100F higher than OEM hoses-Black exterior with ACUITY purple hose lining-Upper hose design provides extra clearance for use with OEM or... MSRP: $115.00 Now: $109.00 Add to Cart Compare SALE Quick view Koyo | sku: KH082661 2012-2015 Honda Civic Si Koyo Radiator - V-Series Koyo high performance radiators are designed, manufactured and specified to original equipment (OE) specifications. Koyo radiators are renowned for their OE style design made especially for Honda Civic vehicles. Koyo is Japan's largest aftermarket... MSRP: Was: $464.40 Now: $310.00 Add to Cart Compare Quick view Skunk2 Skunk2 custom 2012-2015 Civic Si Radiator kit Skunk2’s all-aluminum, full-size Alpha Series Radiator for the ’06-’11 Civic Si is a direct-fit upgrade designed to dramatically increase both cooling efficiency and engine performance. Alpha Series Radiators are manufactured from... MSRP: $359.00 Now: $330.00 Add to Cart Compare Quick view K-Tuned K-Tuned High Pressure Radiator Cap NOTE: This does not fit our K-Tuned Pass Side Rad.K-Tuned High Pressure Rad Caps were designed specifically to end the confusion over which cap is used with our upper coolant neck filler option. Also keep in mind that these rad caps can also be used on... MSRP: $27.69 Now: $26.55 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Blue Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Red Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Black Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this HPS... MSRP: Now: $132.00 Add to Cart Compare Compare Selected × OK
Quick view Details Koyo | sku: koySK-C13 Koyo Radiator Cap MSRP: Now: $35.00 Add to Cart Compare Quick view Details Acuity Instruments | sku: 1912 Acuity 9th Gen Civic Si Silicone Radiator Hoses MSRP: $115.00 Now: $109.00 Add to Cart Compare SALE Quick view Details Koyo | sku: KH082661 2012-2015 Honda Civic Si Koyo Radiator - V-Series MSRP: Was: $464.40 Now: $310.00 Add to Cart Compare Quick view Details Skunk2 Skunk2 custom 2012-2015 Civic Si Radiator kit MSRP: $359.00 Now: $330.00 Add to Cart Compare Quick view Details K-Tuned K-Tuned High Pressure Radiator Cap MSRP: $27.69 Now: $26.55 Add to Cart Compare Quick view Details HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Blue Reinforced Silicone Radiator Hose Kit MSRP: Now: $132.00 Add to Cart Compare Quick view Details HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Red Reinforced Silicone Radiator Hose Kit MSRP: Now: $132.00 Add to Cart Compare Quick view Details HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Black Reinforced Silicone Radiator Hose Kit MSRP: Now: $132.00 Add to Cart Compare Quick view PRL motorsports | sku: PRL-RAD-CAP-1.3 High Performance 1.3 Bar Radiator Cap - Type-B Universal Honda / Acura Rad Cap - Fits MOST Factory Radiators Overview Important Notes: The PRL Motorsports radiator cap improves your engine's cooling system and engine bay's aesthetics. This 1.3 Bar High Performance Radiator... MSRP: Now: $24.99 Add to Cart Compare Quick view Koyo | sku: SK-D13 Koyo Radiator Cap Blue Cap Extract every ounce of cooling efficiency from Koyorad All Aluminum Performance Radiators with a genuine Koyorad Hyper Cap! This Koyorad Hyper Cap withstands an increased valve pressure rating of 1.3kgf/cm2 (1.3 bar) (18.9 psi) (130 kPa) which increases... MSRP: Now: $35.00 Add to Cart Compare Quick view Koyo | sku: koySK-C13 Koyo Radiator Cap Can you handle the pressure? The Koyorad hyper Radiator Cap is for intelligent tuners who demand to extract every ounce of cooling efficiency from their performance machines. Koyorad highly recommends our 1.3 bar Koyorad Hyper Cap (Koyo part number... MSRP: Now: $35.00 Add to Cart Compare Quick view Acuity Instruments | sku: 1912 Acuity 9th Gen Civic Si Silicone Radiator Hoses -'12-'15 HONDA Civic Si*************************************Features:-Silicone construction withstands temps up to 100F higher than OEM hoses-Black exterior with ACUITY purple hose lining-Upper hose design provides extra clearance for use with OEM or... MSRP: $115.00 Now: $109.00 Add to Cart Compare SALE Quick view Koyo | sku: KH082661 2012-2015 Honda Civic Si Koyo Radiator - V-Series Koyo high performance radiators are designed, manufactured and specified to original equipment (OE) specifications. Koyo radiators are renowned for their OE style design made especially for Honda Civic vehicles. Koyo is Japan's largest aftermarket... MSRP: Was: $464.40 Now: $310.00 Add to Cart Compare Quick view Skunk2 Skunk2 custom 2012-2015 Civic Si Radiator kit Skunk2’s all-aluminum, full-size Alpha Series Radiator for the ’06-’11 Civic Si is a direct-fit upgrade designed to dramatically increase both cooling efficiency and engine performance. Alpha Series Radiators are manufactured from... MSRP: $359.00 Now: $330.00 Add to Cart Compare Quick view K-Tuned K-Tuned High Pressure Radiator Cap NOTE: This does not fit our K-Tuned Pass Side Rad.K-Tuned High Pressure Rad Caps were designed specifically to end the confusion over which cap is used with our upper coolant neck filler option. Also keep in mind that these rad caps can also be used on... MSRP: $27.69 Now: $26.55 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Blue Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Red Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Black Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this HPS... MSRP: Now: $132.00 Add to Cart Compare Compare Selected × OK
Quick view Details Acuity Instruments | sku: 1912 Acuity 9th Gen Civic Si Silicone Radiator Hoses MSRP: $115.00 Now: $109.00 Add to Cart Compare SALE Quick view Details Koyo | sku: KH082661 2012-2015 Honda Civic Si Koyo Radiator - V-Series MSRP: Was: $464.40 Now: $310.00 Add to Cart Compare Quick view Details Skunk2 Skunk2 custom 2012-2015 Civic Si Radiator kit MSRP: $359.00 Now: $330.00 Add to Cart Compare Quick view Details K-Tuned K-Tuned High Pressure Radiator Cap MSRP: $27.69 Now: $26.55 Add to Cart Compare Quick view Details HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Blue Reinforced Silicone Radiator Hose Kit MSRP: Now: $132.00 Add to Cart Compare Quick view Details HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Red Reinforced Silicone Radiator Hose Kit MSRP: Now: $132.00 Add to Cart Compare Quick view Details HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Black Reinforced Silicone Radiator Hose Kit MSRP: Now: $132.00 Add to Cart Compare Quick view PRL motorsports | sku: PRL-RAD-CAP-1.3 High Performance 1.3 Bar Radiator Cap - Type-B Universal Honda / Acura Rad Cap - Fits MOST Factory Radiators Overview Important Notes: The PRL Motorsports radiator cap improves your engine's cooling system and engine bay's aesthetics. This 1.3 Bar High Performance Radiator... MSRP: Now: $24.99 Add to Cart Compare Quick view Koyo | sku: SK-D13 Koyo Radiator Cap Blue Cap Extract every ounce of cooling efficiency from Koyorad All Aluminum Performance Radiators with a genuine Koyorad Hyper Cap! This Koyorad Hyper Cap withstands an increased valve pressure rating of 1.3kgf/cm2 (1.3 bar) (18.9 psi) (130 kPa) which increases... MSRP: Now: $35.00 Add to Cart Compare Quick view Koyo | sku: koySK-C13 Koyo Radiator Cap Can you handle the pressure? The Koyorad hyper Radiator Cap is for intelligent tuners who demand to extract every ounce of cooling efficiency from their performance machines. Koyorad highly recommends our 1.3 bar Koyorad Hyper Cap (Koyo part number... MSRP: Now: $35.00 Add to Cart Compare Quick view Acuity Instruments | sku: 1912 Acuity 9th Gen Civic Si Silicone Radiator Hoses -'12-'15 HONDA Civic Si*************************************Features:-Silicone construction withstands temps up to 100F higher than OEM hoses-Black exterior with ACUITY purple hose lining-Upper hose design provides extra clearance for use with OEM or... MSRP: $115.00 Now: $109.00 Add to Cart Compare SALE Quick view Koyo | sku: KH082661 2012-2015 Honda Civic Si Koyo Radiator - V-Series Koyo high performance radiators are designed, manufactured and specified to original equipment (OE) specifications. Koyo radiators are renowned for their OE style design made especially for Honda Civic vehicles. Koyo is Japan's largest aftermarket... MSRP: Was: $464.40 Now: $310.00 Add to Cart Compare Quick view Skunk2 Skunk2 custom 2012-2015 Civic Si Radiator kit Skunk2’s all-aluminum, full-size Alpha Series Radiator for the ’06-’11 Civic Si is a direct-fit upgrade designed to dramatically increase both cooling efficiency and engine performance. Alpha Series Radiators are manufactured from... MSRP: $359.00 Now: $330.00 Add to Cart Compare Quick view K-Tuned K-Tuned High Pressure Radiator Cap NOTE: This does not fit our K-Tuned Pass Side Rad.K-Tuned High Pressure Rad Caps were designed specifically to end the confusion over which cap is used with our upper coolant neck filler option. Also keep in mind that these rad caps can also be used on... MSRP: $27.69 Now: $26.55 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Blue Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Red Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Black Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this HPS... MSRP: Now: $132.00 Add to Cart Compare Compare Selected × OK
SALE Quick view Details Koyo | sku: KH082661 2012-2015 Honda Civic Si Koyo Radiator - V-Series MSRP: Was: $464.40 Now: $310.00 Add to Cart Compare
Quick view Details Skunk2 Skunk2 custom 2012-2015 Civic Si Radiator kit MSRP: $359.00 Now: $330.00 Add to Cart Compare Quick view Details K-Tuned K-Tuned High Pressure Radiator Cap MSRP: $27.69 Now: $26.55 Add to Cart Compare Quick view Details HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Blue Reinforced Silicone Radiator Hose Kit MSRP: Now: $132.00 Add to Cart Compare Quick view Details HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Red Reinforced Silicone Radiator Hose Kit MSRP: Now: $132.00 Add to Cart Compare Quick view Details HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Black Reinforced Silicone Radiator Hose Kit MSRP: Now: $132.00 Add to Cart Compare Quick view PRL motorsports | sku: PRL-RAD-CAP-1.3 High Performance 1.3 Bar Radiator Cap - Type-B Universal Honda / Acura Rad Cap - Fits MOST Factory Radiators Overview Important Notes: The PRL Motorsports radiator cap improves your engine's cooling system and engine bay's aesthetics. This 1.3 Bar High Performance Radiator... MSRP: Now: $24.99 Add to Cart Compare Quick view Koyo | sku: SK-D13 Koyo Radiator Cap Blue Cap Extract every ounce of cooling efficiency from Koyorad All Aluminum Performance Radiators with a genuine Koyorad Hyper Cap! This Koyorad Hyper Cap withstands an increased valve pressure rating of 1.3kgf/cm2 (1.3 bar) (18.9 psi) (130 kPa) which increases... MSRP: Now: $35.00 Add to Cart Compare Quick view Koyo | sku: koySK-C13 Koyo Radiator Cap Can you handle the pressure? The Koyorad hyper Radiator Cap is for intelligent tuners who demand to extract every ounce of cooling efficiency from their performance machines. Koyorad highly recommends our 1.3 bar Koyorad Hyper Cap (Koyo part number... MSRP: Now: $35.00 Add to Cart Compare Quick view Acuity Instruments | sku: 1912 Acuity 9th Gen Civic Si Silicone Radiator Hoses -'12-'15 HONDA Civic Si*************************************Features:-Silicone construction withstands temps up to 100F higher than OEM hoses-Black exterior with ACUITY purple hose lining-Upper hose design provides extra clearance for use with OEM or... MSRP: $115.00 Now: $109.00 Add to Cart Compare SALE Quick view Koyo | sku: KH082661 2012-2015 Honda Civic Si Koyo Radiator - V-Series Koyo high performance radiators are designed, manufactured and specified to original equipment (OE) specifications. Koyo radiators are renowned for their OE style design made especially for Honda Civic vehicles. Koyo is Japan's largest aftermarket... MSRP: Was: $464.40 Now: $310.00 Add to Cart Compare Quick view Skunk2 Skunk2 custom 2012-2015 Civic Si Radiator kit Skunk2’s all-aluminum, full-size Alpha Series Radiator for the ’06-’11 Civic Si is a direct-fit upgrade designed to dramatically increase both cooling efficiency and engine performance. Alpha Series Radiators are manufactured from... MSRP: $359.00 Now: $330.00 Add to Cart Compare Quick view K-Tuned K-Tuned High Pressure Radiator Cap NOTE: This does not fit our K-Tuned Pass Side Rad.K-Tuned High Pressure Rad Caps were designed specifically to end the confusion over which cap is used with our upper coolant neck filler option. Also keep in mind that these rad caps can also be used on... MSRP: $27.69 Now: $26.55 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Blue Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Red Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Black Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this HPS... MSRP: Now: $132.00 Add to Cart Compare Compare Selected × OK
Quick view Details K-Tuned K-Tuned High Pressure Radiator Cap MSRP: $27.69 Now: $26.55 Add to Cart Compare Quick view Details HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Blue Reinforced Silicone Radiator Hose Kit MSRP: Now: $132.00 Add to Cart Compare Quick view Details HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Red Reinforced Silicone Radiator Hose Kit MSRP: Now: $132.00 Add to Cart Compare Quick view Details HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Black Reinforced Silicone Radiator Hose Kit MSRP: Now: $132.00 Add to Cart Compare Quick view PRL motorsports | sku: PRL-RAD-CAP-1.3 High Performance 1.3 Bar Radiator Cap - Type-B Universal Honda / Acura Rad Cap - Fits MOST Factory Radiators Overview Important Notes: The PRL Motorsports radiator cap improves your engine's cooling system and engine bay's aesthetics. This 1.3 Bar High Performance Radiator... MSRP: Now: $24.99 Add to Cart Compare Quick view Koyo | sku: SK-D13 Koyo Radiator Cap Blue Cap Extract every ounce of cooling efficiency from Koyorad All Aluminum Performance Radiators with a genuine Koyorad Hyper Cap! This Koyorad Hyper Cap withstands an increased valve pressure rating of 1.3kgf/cm2 (1.3 bar) (18.9 psi) (130 kPa) which increases... MSRP: Now: $35.00 Add to Cart Compare Quick view Koyo | sku: koySK-C13 Koyo Radiator Cap Can you handle the pressure? The Koyorad hyper Radiator Cap is for intelligent tuners who demand to extract every ounce of cooling efficiency from their performance machines. Koyorad highly recommends our 1.3 bar Koyorad Hyper Cap (Koyo part number... MSRP: Now: $35.00 Add to Cart Compare Quick view Acuity Instruments | sku: 1912 Acuity 9th Gen Civic Si Silicone Radiator Hoses -'12-'15 HONDA Civic Si*************************************Features:-Silicone construction withstands temps up to 100F higher than OEM hoses-Black exterior with ACUITY purple hose lining-Upper hose design provides extra clearance for use with OEM or... MSRP: $115.00 Now: $109.00 Add to Cart Compare SALE Quick view Koyo | sku: KH082661 2012-2015 Honda Civic Si Koyo Radiator - V-Series Koyo high performance radiators are designed, manufactured and specified to original equipment (OE) specifications. Koyo radiators are renowned for their OE style design made especially for Honda Civic vehicles. Koyo is Japan's largest aftermarket... MSRP: Was: $464.40 Now: $310.00 Add to Cart Compare Quick view Skunk2 Skunk2 custom 2012-2015 Civic Si Radiator kit Skunk2’s all-aluminum, full-size Alpha Series Radiator for the ’06-’11 Civic Si is a direct-fit upgrade designed to dramatically increase both cooling efficiency and engine performance. Alpha Series Radiators are manufactured from... MSRP: $359.00 Now: $330.00 Add to Cart Compare Quick view K-Tuned K-Tuned High Pressure Radiator Cap NOTE: This does not fit our K-Tuned Pass Side Rad.K-Tuned High Pressure Rad Caps were designed specifically to end the confusion over which cap is used with our upper coolant neck filler option. Also keep in mind that these rad caps can also be used on... MSRP: $27.69 Now: $26.55 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Blue Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Red Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Black Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this HPS... MSRP: Now: $132.00 Add to Cart Compare Compare Selected × OK
Quick view Details HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Blue Reinforced Silicone Radiator Hose Kit MSRP: Now: $132.00 Add to Cart Compare Quick view Details HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Red Reinforced Silicone Radiator Hose Kit MSRP: Now: $132.00 Add to Cart Compare Quick view Details HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Black Reinforced Silicone Radiator Hose Kit MSRP: Now: $132.00 Add to Cart Compare Quick view PRL motorsports | sku: PRL-RAD-CAP-1.3 High Performance 1.3 Bar Radiator Cap - Type-B Universal Honda / Acura Rad Cap - Fits MOST Factory Radiators Overview Important Notes: The PRL Motorsports radiator cap improves your engine's cooling system and engine bay's aesthetics. This 1.3 Bar High Performance Radiator... MSRP: Now: $24.99 Add to Cart Compare Quick view Koyo | sku: SK-D13 Koyo Radiator Cap Blue Cap Extract every ounce of cooling efficiency from Koyorad All Aluminum Performance Radiators with a genuine Koyorad Hyper Cap! This Koyorad Hyper Cap withstands an increased valve pressure rating of 1.3kgf/cm2 (1.3 bar) (18.9 psi) (130 kPa) which increases... MSRP: Now: $35.00 Add to Cart Compare Quick view Koyo | sku: koySK-C13 Koyo Radiator Cap Can you handle the pressure? The Koyorad hyper Radiator Cap is for intelligent tuners who demand to extract every ounce of cooling efficiency from their performance machines. Koyorad highly recommends our 1.3 bar Koyorad Hyper Cap (Koyo part number... MSRP: Now: $35.00 Add to Cart Compare Quick view Acuity Instruments | sku: 1912 Acuity 9th Gen Civic Si Silicone Radiator Hoses -'12-'15 HONDA Civic Si*************************************Features:-Silicone construction withstands temps up to 100F higher than OEM hoses-Black exterior with ACUITY purple hose lining-Upper hose design provides extra clearance for use with OEM or... MSRP: $115.00 Now: $109.00 Add to Cart Compare SALE Quick view Koyo | sku: KH082661 2012-2015 Honda Civic Si Koyo Radiator - V-Series Koyo high performance radiators are designed, manufactured and specified to original equipment (OE) specifications. Koyo radiators are renowned for their OE style design made especially for Honda Civic vehicles. Koyo is Japan's largest aftermarket... MSRP: Was: $464.40 Now: $310.00 Add to Cart Compare Quick view Skunk2 Skunk2 custom 2012-2015 Civic Si Radiator kit Skunk2’s all-aluminum, full-size Alpha Series Radiator for the ’06-’11 Civic Si is a direct-fit upgrade designed to dramatically increase both cooling efficiency and engine performance. Alpha Series Radiators are manufactured from... MSRP: $359.00 Now: $330.00 Add to Cart Compare Quick view K-Tuned K-Tuned High Pressure Radiator Cap NOTE: This does not fit our K-Tuned Pass Side Rad.K-Tuned High Pressure Rad Caps were designed specifically to end the confusion over which cap is used with our upper coolant neck filler option. Also keep in mind that these rad caps can also be used on... MSRP: $27.69 Now: $26.55 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Blue Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Red Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Black Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this HPS... MSRP: Now: $132.00 Add to Cart Compare Compare Selected × OK
Quick view Details HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Red Reinforced Silicone Radiator Hose Kit MSRP: Now: $132.00 Add to Cart Compare Quick view Details HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Black Reinforced Silicone Radiator Hose Kit MSRP: Now: $132.00 Add to Cart Compare Quick view PRL motorsports | sku: PRL-RAD-CAP-1.3 High Performance 1.3 Bar Radiator Cap - Type-B Universal Honda / Acura Rad Cap - Fits MOST Factory Radiators Overview Important Notes: The PRL Motorsports radiator cap improves your engine's cooling system and engine bay's aesthetics. This 1.3 Bar High Performance Radiator... MSRP: Now: $24.99 Add to Cart Compare Quick view Koyo | sku: SK-D13 Koyo Radiator Cap Blue Cap Extract every ounce of cooling efficiency from Koyorad All Aluminum Performance Radiators with a genuine Koyorad Hyper Cap! This Koyorad Hyper Cap withstands an increased valve pressure rating of 1.3kgf/cm2 (1.3 bar) (18.9 psi) (130 kPa) which increases... MSRP: Now: $35.00 Add to Cart Compare Quick view Koyo | sku: koySK-C13 Koyo Radiator Cap Can you handle the pressure? The Koyorad hyper Radiator Cap is for intelligent tuners who demand to extract every ounce of cooling efficiency from their performance machines. Koyorad highly recommends our 1.3 bar Koyorad Hyper Cap (Koyo part number... MSRP: Now: $35.00 Add to Cart Compare Quick view Acuity Instruments | sku: 1912 Acuity 9th Gen Civic Si Silicone Radiator Hoses -'12-'15 HONDA Civic Si*************************************Features:-Silicone construction withstands temps up to 100F higher than OEM hoses-Black exterior with ACUITY purple hose lining-Upper hose design provides extra clearance for use with OEM or... MSRP: $115.00 Now: $109.00 Add to Cart Compare SALE Quick view Koyo | sku: KH082661 2012-2015 Honda Civic Si Koyo Radiator - V-Series Koyo high performance radiators are designed, manufactured and specified to original equipment (OE) specifications. Koyo radiators are renowned for their OE style design made especially for Honda Civic vehicles. Koyo is Japan's largest aftermarket... MSRP: Was: $464.40 Now: $310.00 Add to Cart Compare Quick view Skunk2 Skunk2 custom 2012-2015 Civic Si Radiator kit Skunk2’s all-aluminum, full-size Alpha Series Radiator for the ’06-’11 Civic Si is a direct-fit upgrade designed to dramatically increase both cooling efficiency and engine performance. Alpha Series Radiators are manufactured from... MSRP: $359.00 Now: $330.00 Add to Cart Compare Quick view K-Tuned K-Tuned High Pressure Radiator Cap NOTE: This does not fit our K-Tuned Pass Side Rad.K-Tuned High Pressure Rad Caps were designed specifically to end the confusion over which cap is used with our upper coolant neck filler option. Also keep in mind that these rad caps can also be used on... MSRP: $27.69 Now: $26.55 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Blue Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Red Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Black Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this HPS... MSRP: Now: $132.00 Add to Cart Compare Compare Selected × OK
Quick view Details HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Black Reinforced Silicone Radiator Hose Kit MSRP: Now: $132.00 Add to Cart Compare Quick view PRL motorsports | sku: PRL-RAD-CAP-1.3 High Performance 1.3 Bar Radiator Cap - Type-B Universal Honda / Acura Rad Cap - Fits MOST Factory Radiators Overview Important Notes: The PRL Motorsports radiator cap improves your engine's cooling system and engine bay's aesthetics. This 1.3 Bar High Performance Radiator... MSRP: Now: $24.99 Add to Cart Compare Quick view Koyo | sku: SK-D13 Koyo Radiator Cap Blue Cap Extract every ounce of cooling efficiency from Koyorad All Aluminum Performance Radiators with a genuine Koyorad Hyper Cap! This Koyorad Hyper Cap withstands an increased valve pressure rating of 1.3kgf/cm2 (1.3 bar) (18.9 psi) (130 kPa) which increases... MSRP: Now: $35.00 Add to Cart Compare Quick view Koyo | sku: koySK-C13 Koyo Radiator Cap Can you handle the pressure? The Koyorad hyper Radiator Cap is for intelligent tuners who demand to extract every ounce of cooling efficiency from their performance machines. Koyorad highly recommends our 1.3 bar Koyorad Hyper Cap (Koyo part number... MSRP: Now: $35.00 Add to Cart Compare Quick view Acuity Instruments | sku: 1912 Acuity 9th Gen Civic Si Silicone Radiator Hoses -'12-'15 HONDA Civic Si*************************************Features:-Silicone construction withstands temps up to 100F higher than OEM hoses-Black exterior with ACUITY purple hose lining-Upper hose design provides extra clearance for use with OEM or... MSRP: $115.00 Now: $109.00 Add to Cart Compare SALE Quick view Koyo | sku: KH082661 2012-2015 Honda Civic Si Koyo Radiator - V-Series Koyo high performance radiators are designed, manufactured and specified to original equipment (OE) specifications. Koyo radiators are renowned for their OE style design made especially for Honda Civic vehicles. Koyo is Japan's largest aftermarket... MSRP: Was: $464.40 Now: $310.00 Add to Cart Compare Quick view Skunk2 Skunk2 custom 2012-2015 Civic Si Radiator kit Skunk2’s all-aluminum, full-size Alpha Series Radiator for the ’06-’11 Civic Si is a direct-fit upgrade designed to dramatically increase both cooling efficiency and engine performance. Alpha Series Radiators are manufactured from... MSRP: $359.00 Now: $330.00 Add to Cart Compare Quick view K-Tuned K-Tuned High Pressure Radiator Cap NOTE: This does not fit our K-Tuned Pass Side Rad.K-Tuned High Pressure Rad Caps were designed specifically to end the confusion over which cap is used with our upper coolant neck filler option. Also keep in mind that these rad caps can also be used on... MSRP: $27.69 Now: $26.55 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Blue Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Red Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Black Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this HPS... MSRP: Now: $132.00 Add to Cart Compare Compare Selected × OK
Quick view PRL motorsports | sku: PRL-RAD-CAP-1.3 High Performance 1.3 Bar Radiator Cap - Type-B Universal Honda / Acura Rad Cap - Fits MOST Factory Radiators Overview Important Notes: The PRL Motorsports radiator cap improves your engine's cooling system and engine bay's aesthetics. This 1.3 Bar High Performance Radiator... MSRP: Now: $24.99 Add to Cart Compare Quick view Koyo | sku: SK-D13 Koyo Radiator Cap Blue Cap Extract every ounce of cooling efficiency from Koyorad All Aluminum Performance Radiators with a genuine Koyorad Hyper Cap! This Koyorad Hyper Cap withstands an increased valve pressure rating of 1.3kgf/cm2 (1.3 bar) (18.9 psi) (130 kPa) which increases... MSRP: Now: $35.00 Add to Cart Compare Quick view Koyo | sku: koySK-C13 Koyo Radiator Cap Can you handle the pressure? The Koyorad hyper Radiator Cap is for intelligent tuners who demand to extract every ounce of cooling efficiency from their performance machines. Koyorad highly recommends our 1.3 bar Koyorad Hyper Cap (Koyo part number... MSRP: Now: $35.00 Add to Cart Compare Quick view Acuity Instruments | sku: 1912 Acuity 9th Gen Civic Si Silicone Radiator Hoses -'12-'15 HONDA Civic Si*************************************Features:-Silicone construction withstands temps up to 100F higher than OEM hoses-Black exterior with ACUITY purple hose lining-Upper hose design provides extra clearance for use with OEM or... MSRP: $115.00 Now: $109.00 Add to Cart Compare SALE Quick view Koyo | sku: KH082661 2012-2015 Honda Civic Si Koyo Radiator - V-Series Koyo high performance radiators are designed, manufactured and specified to original equipment (OE) specifications. Koyo radiators are renowned for their OE style design made especially for Honda Civic vehicles. Koyo is Japan's largest aftermarket... MSRP: Was: $464.40 Now: $310.00 Add to Cart Compare Quick view Skunk2 Skunk2 custom 2012-2015 Civic Si Radiator kit Skunk2’s all-aluminum, full-size Alpha Series Radiator for the ’06-’11 Civic Si is a direct-fit upgrade designed to dramatically increase both cooling efficiency and engine performance. Alpha Series Radiators are manufactured from... MSRP: $359.00 Now: $330.00 Add to Cart Compare Quick view K-Tuned K-Tuned High Pressure Radiator Cap NOTE: This does not fit our K-Tuned Pass Side Rad.K-Tuned High Pressure Rad Caps were designed specifically to end the confusion over which cap is used with our upper coolant neck filler option. Also keep in mind that these rad caps can also be used on... MSRP: $27.69 Now: $26.55 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Blue Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Red Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Black Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this HPS... MSRP: Now: $132.00 Add to Cart Compare Compare Selected × OK
Quick view Koyo | sku: SK-D13 Koyo Radiator Cap Blue Cap Extract every ounce of cooling efficiency from Koyorad All Aluminum Performance Radiators with a genuine Koyorad Hyper Cap! This Koyorad Hyper Cap withstands an increased valve pressure rating of 1.3kgf/cm2 (1.3 bar) (18.9 psi) (130 kPa) which increases... MSRP: Now: $35.00 Add to Cart Compare Quick view Koyo | sku: koySK-C13 Koyo Radiator Cap Can you handle the pressure? The Koyorad hyper Radiator Cap is for intelligent tuners who demand to extract every ounce of cooling efficiency from their performance machines. Koyorad highly recommends our 1.3 bar Koyorad Hyper Cap (Koyo part number... MSRP: Now: $35.00 Add to Cart Compare Quick view Acuity Instruments | sku: 1912 Acuity 9th Gen Civic Si Silicone Radiator Hoses -'12-'15 HONDA Civic Si*************************************Features:-Silicone construction withstands temps up to 100F higher than OEM hoses-Black exterior with ACUITY purple hose lining-Upper hose design provides extra clearance for use with OEM or... MSRP: $115.00 Now: $109.00 Add to Cart Compare SALE Quick view Koyo | sku: KH082661 2012-2015 Honda Civic Si Koyo Radiator - V-Series Koyo high performance radiators are designed, manufactured and specified to original equipment (OE) specifications. Koyo radiators are renowned for their OE style design made especially for Honda Civic vehicles. Koyo is Japan's largest aftermarket... MSRP: Was: $464.40 Now: $310.00 Add to Cart Compare Quick view Skunk2 Skunk2 custom 2012-2015 Civic Si Radiator kit Skunk2’s all-aluminum, full-size Alpha Series Radiator for the ’06-’11 Civic Si is a direct-fit upgrade designed to dramatically increase both cooling efficiency and engine performance. Alpha Series Radiators are manufactured from... MSRP: $359.00 Now: $330.00 Add to Cart Compare Quick view K-Tuned K-Tuned High Pressure Radiator Cap NOTE: This does not fit our K-Tuned Pass Side Rad.K-Tuned High Pressure Rad Caps were designed specifically to end the confusion over which cap is used with our upper coolant neck filler option. Also keep in mind that these rad caps can also be used on... MSRP: $27.69 Now: $26.55 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Blue Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Red Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Black Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this HPS... MSRP: Now: $132.00 Add to Cart Compare Compare Selected × OK
Quick view Koyo | sku: koySK-C13 Koyo Radiator Cap Can you handle the pressure? The Koyorad hyper Radiator Cap is for intelligent tuners who demand to extract every ounce of cooling efficiency from their performance machines. Koyorad highly recommends our 1.3 bar Koyorad Hyper Cap (Koyo part number... MSRP: Now: $35.00 Add to Cart Compare Quick view Acuity Instruments | sku: 1912 Acuity 9th Gen Civic Si Silicone Radiator Hoses -'12-'15 HONDA Civic Si*************************************Features:-Silicone construction withstands temps up to 100F higher than OEM hoses-Black exterior with ACUITY purple hose lining-Upper hose design provides extra clearance for use with OEM or... MSRP: $115.00 Now: $109.00 Add to Cart Compare SALE Quick view Koyo | sku: KH082661 2012-2015 Honda Civic Si Koyo Radiator - V-Series Koyo high performance radiators are designed, manufactured and specified to original equipment (OE) specifications. Koyo radiators are renowned for their OE style design made especially for Honda Civic vehicles. Koyo is Japan's largest aftermarket... MSRP: Was: $464.40 Now: $310.00 Add to Cart Compare Quick view Skunk2 Skunk2 custom 2012-2015 Civic Si Radiator kit Skunk2’s all-aluminum, full-size Alpha Series Radiator for the ’06-’11 Civic Si is a direct-fit upgrade designed to dramatically increase both cooling efficiency and engine performance. Alpha Series Radiators are manufactured from... MSRP: $359.00 Now: $330.00 Add to Cart Compare Quick view K-Tuned K-Tuned High Pressure Radiator Cap NOTE: This does not fit our K-Tuned Pass Side Rad.K-Tuned High Pressure Rad Caps were designed specifically to end the confusion over which cap is used with our upper coolant neck filler option. Also keep in mind that these rad caps can also be used on... MSRP: $27.69 Now: $26.55 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Blue Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Red Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Black Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this HPS... MSRP: Now: $132.00 Add to Cart Compare Compare Selected × OK
Quick view Acuity Instruments | sku: 1912 Acuity 9th Gen Civic Si Silicone Radiator Hoses -'12-'15 HONDA Civic Si*************************************Features:-Silicone construction withstands temps up to 100F higher than OEM hoses-Black exterior with ACUITY purple hose lining-Upper hose design provides extra clearance for use with OEM or... MSRP: $115.00 Now: $109.00 Add to Cart Compare SALE Quick view Koyo | sku: KH082661 2012-2015 Honda Civic Si Koyo Radiator - V-Series Koyo high performance radiators are designed, manufactured and specified to original equipment (OE) specifications. Koyo radiators are renowned for their OE style design made especially for Honda Civic vehicles. Koyo is Japan's largest aftermarket... MSRP: Was: $464.40 Now: $310.00 Add to Cart Compare Quick view Skunk2 Skunk2 custom 2012-2015 Civic Si Radiator kit Skunk2’s all-aluminum, full-size Alpha Series Radiator for the ’06-’11 Civic Si is a direct-fit upgrade designed to dramatically increase both cooling efficiency and engine performance. Alpha Series Radiators are manufactured from... MSRP: $359.00 Now: $330.00 Add to Cart Compare Quick view K-Tuned K-Tuned High Pressure Radiator Cap NOTE: This does not fit our K-Tuned Pass Side Rad.K-Tuned High Pressure Rad Caps were designed specifically to end the confusion over which cap is used with our upper coolant neck filler option. Also keep in mind that these rad caps can also be used on... MSRP: $27.69 Now: $26.55 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Blue Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Red Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Black Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this HPS... MSRP: Now: $132.00 Add to Cart Compare Compare Selected × OK
SALE Quick view Koyo | sku: KH082661 2012-2015 Honda Civic Si Koyo Radiator - V-Series Koyo high performance radiators are designed, manufactured and specified to original equipment (OE) specifications. Koyo radiators are renowned for their OE style design made especially for Honda Civic vehicles. Koyo is Japan's largest aftermarket... MSRP: Was: $464.40 Now: $310.00 Add to Cart Compare
Quick view Skunk2 Skunk2 custom 2012-2015 Civic Si Radiator kit Skunk2’s all-aluminum, full-size Alpha Series Radiator for the ’06-’11 Civic Si is a direct-fit upgrade designed to dramatically increase both cooling efficiency and engine performance. Alpha Series Radiators are manufactured from... MSRP: $359.00 Now: $330.00 Add to Cart Compare Quick view K-Tuned K-Tuned High Pressure Radiator Cap NOTE: This does not fit our K-Tuned Pass Side Rad.K-Tuned High Pressure Rad Caps were designed specifically to end the confusion over which cap is used with our upper coolant neck filler option. Also keep in mind that these rad caps can also be used on... MSRP: $27.69 Now: $26.55 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Blue Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Red Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Black Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this HPS... MSRP: Now: $132.00 Add to Cart Compare Compare Selected × OK
Quick view K-Tuned K-Tuned High Pressure Radiator Cap NOTE: This does not fit our K-Tuned Pass Side Rad.K-Tuned High Pressure Rad Caps were designed specifically to end the confusion over which cap is used with our upper coolant neck filler option. Also keep in mind that these rad caps can also be used on... MSRP: $27.69 Now: $26.55 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Blue Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Red Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Black Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this HPS... MSRP: Now: $132.00 Add to Cart Compare Compare Selected × OK
Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Blue Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Red Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Black Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this HPS... MSRP: Now: $132.00 Add to Cart Compare Compare Selected × OK
Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Red Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this... MSRP: Now: $132.00 Add to Cart Compare Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Black Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this HPS... MSRP: Now: $132.00 Add to Cart Compare Compare Selected
Quick view HPS Performance Silicone Hoses Honda 12-15 Civic Si HPS Black Reinforced Silicone Radiator Hose Kit Honda 2012 Civic Si HPS High Temp Reinforced Silicone Radiator Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this HPS... MSRP: Now: $132.00 Add to Cart Compare Compare Selected