Fel-Pro 1135: Head Gasket, Multi-Layer Steel, 4.200 in. Bore, .041 in. Compressed Thickness, Ford, SVO, V8, Each - Forged in the fires of high performance engines, Fel-Pro Performance head gaskets are quite literally created to tame the fiery combustion chambers of up to 1,000 hp engines. Reinforced with KEVLAR fiber and engineered to give you a perfect seal that can withstand combustion pressures of 1,500 to 3,000 psi, these gaskets are bred for high performance. They have a conformable anti-stick coating and are constructed with pre-flattened copper or steel rings for easy installation, while also giving them the strength to tame your beastly powerplant. The anti-stick coating ensures easy removal and cleanup on frequent rebuilds, but also aids in micro-sealing minor surface irregularities. When rebuilding your engine, use the parts you wish were in it to begin with. Put a set of Fel-Pro Performance head gaskets in that engine not only to help it perform better today, but to make your next engine project that much easier. Fel-Pro. 1135 fits these applications: FORD 5.8L/351 Ford small block Windsor, FORD 5.0L/302 Ford small block Windsor, FORD 4.7L/289 Ford small block Windsor, FORD 4.3L/260 Ford small block Windsor.