10172 Cylinder Head Gasket - 4.54 In.

Performance head gasket line is the engine repair solution for high performance engines. They're specifically designed to handle higher compression ratios special cam timing and higher operating temperatures. In addition they're ideal for engines that are supercharged turbocharged or use nitrous oxide. In the brutally tough environment that typifies a performance engine performance head gaskets deliver superior sealing performance. Features -Engine Compatibility - GEN IV Big Block Chevy -Material - Steel -Bore Diameter - 4.54 in. -Compression Thickness - 0.051 in.