Cometic GM LS1 SB 3.910 inch Bore .120 inch MLS Headgasket - C5475-120

Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.120". Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays high...

Cometic GM LS1 SB 3.910in Bore .051 thick MLS Head Gasket - C5475-051

Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.051". Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays high...

Cometic GM LS1 SB 3.910in Bore .086in Thick MLS Head Gasket - C5475-086

Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.036". World Products Man-o-War Block. Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum...

Cometic GM LS1 SB 3.970 inch Bore .040 inch MLS Headgasket - C5476-040

Comprised 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...

Cometic GM LS1 SB 3.970 inch Bore .045 inch MLS Headgasket - C5476-045

Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.045". Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays high...

Cometic GM LS1 SB 3.970 inch Bore .051 inch MLS Headgasket - C5476-051

Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.051". Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays high...

Cometic GM LS1 SB 4.000 inch Bore .030 inch MLS Headgasket - C5477-030

Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.036". World Products Man-o-War Block. Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum...

Cometic GM LS1 SB 4.000 inch Bore .036 inch MLS Headgasket - C5477-036

Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.036". Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays high...

Cometic GM LS1 SB 4.000 inch Bore .040 inch MLS Headgasket - C5477-040

Comprised 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...

Cometic GM LS1 SB 4.000 inch Bore .045 inch MLS Headgasket - C5477-045

Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.045". Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays high...

Cometic GM LS1 SB 4.000 inch Bore .066 inch MLS Head Gasket - C5477-066

Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.036". World Products Man-o-War Block. Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum...

Cometic GM LS1 SB 4.035in Bore .040in MLS Head Gasket - H1295SPP040S

Cometic GM LS1 SB 4.035in Bore .040in MLS Head Gasket