Cometic 4.125 MLS Head Gasket .040 Olds V8 330-455 JA100020 Interior: Dark Grey High Strength

Interior: Dark Grey High Strength – High Comfort FR Fabric

Upgrades Canton Oil Accumulator Valve to Pressure Control Valve

3/4 in Spherical Bearing

Sodium Filled

1961-1970 Chevrolet C30 Pickup

Cometic 4.125 MLS Head Gasket .040 Olds V8 330-455 JA100020 Interior: Dark Grey High StrengthComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 040". Cometic MLS (Multi Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force created by the two