Cometic Stock Port Header Gasket Multi-Layered Steel Mopar Modular Hemi 6.1L - Pair 430R-01-02-05 600'' exhaust valve

600'' exhaust valve

Centerlink Stud

1975-1981 Pontiac Bonneville

1975-1986 Chevrolet G10

Cometic Stock Port Header Gasket Multi-Layered Steel Mopar Modular Hemi 6.1L - Pair 430R-01-02-05 600'' exhaust valveCOMETIC 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 materials. MLS gaskets have increased strength because they are comprised of multiple layers of stainless steel; which also creates the ability to rebound