HPS Performance Products HPS High Temperature Reinforced Silicone Coolant Bypass Caps, Black/Blue/Red Inside Diameter:1-3/16" (30mm) Made of high quality ABS

Made of high quality ABS plastic with black finish

4" diameter leading edge larger than stock throttle body - requires use of 4" ID silicone hose adapter or reducer

left-side mounting bracket

SKU : 221222

HKS I/C R-type CT9A EVO7/8(MR) GT Special Full Turbine Kit

HPS Performance Products HPS High Temperature Reinforced Silicone Coolant Bypass Caps, Black/Blue/Red Inside Diameter:1-3/16" (30mm) Made of high quality ABSDont let a flimsy rubber cap become the weak link in your engines cooling system. HPS High Temp Reinforced Silicone Caps are purpose built for enthusiasts who demand reliability. These caps are engineered to withstand extreme heat and pressure where ordinary vacuum caps would fail, providing a permanent, worry free solution for sealing coolant bypass and vacuum ports. Each HPS coolant cap is constructed just like our performance radiator hoses made