HPS Performance Products HPS High Temperature Reinforced Silicone Coolant Bypass Caps, Black/Blue/Red Inside Diameter:1-3/16" (30mm) Material: Graphite

Material: Graphite

1999-2006 GMC Yukon

2-Door Configuration - Sized and shaped specifically for 2-door platforms

Made of high quality ABS plastic with black finish

furnace-brazed cores and 100% TIG-welded aluminum construction

HPS Performance Products HPS High Temperature Reinforced Silicone Coolant Bypass Caps, Black/Blue/Red Inside Diameter:1-3/16" (30mm) Material: GraphiteDont 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