Heavy-Duty Composition Head Gasket
- 4.0″ to 4.125″ cylinder bores
- 0.041″ compressed thickness
- For competition engines
Heavy-Duty Composition Cylinder Head Gasket
– Pre-flattened wire O-rings around each cylinder
– For competition engines with cylinder bores of 4.0″ to 4.125″
– 0.041″ compressed thickness
Note: Drill steam holes when used on 400-ci Small-Blocks. Gasket does not require re-torquing.
Composition Cylinder Head Gasket
10185054 Chevrolet Head Gasket
Chevrolet Performance cylinder head gaskets, cylinder head bolts and cylinder head studs are the finest-quality parts available. Their superior construction ensures optimum sealing between cylinder heads and the engine block.
Chevy Gasket packages contain one gasket unless otherwise specified. Head gaskets are available in a variety of materials and thicknesses. GM engineers recommend using the proper gasket to maintain compression ratios and minimum piston-to-cylinder-head clearances.