Skunk2's advanced high temperature thermal polymer material protects against heat soak and maximizes horsepower gains by reducing heat transfer. With the use of Skunk2 thermal gaskets, air intake temps are minimized which provides the your engine cooler air for combustion, and that means horsepower. This and bypassing several heat sources can provide you up to 5% more power. Skunk2 Racing thermal intake manifold gaskets are perfect for your race, weekend warrior and street application. Made for Skunk2 74mm B Pro Series Throttle Body