Cometic Mercury / Chevrolet Gen. IV 4.580 inch Bore .027 inch MLS 1050 Motor Headgasket - C5640-027

Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.027". 2 Slotted Valley Bolts. Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for...

Cometic Mercury / Chevy Big Block 4.5in Bore .030 inch MLS Headgasket - C5638-030

Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.030". 2 Slotted Valley Bolts. Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for...

Cometic Mercury / Chevy Big Block 4.5in Bore .040 inch MLS Headgasket - C5638-040

Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.040". 2 Slotted Valley Bolts. Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for...

Cometic Mercury / Chevy Big Block 4.5in Bore .051 inch MLS Headgasket - C5638-051

Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.051". 2 Slotted Valley Bolts. Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for...

Cometic Mercury / Chevy Big Block 4.6in Bore .027 inch MLS Headgasket - C5637-027

Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.027". 4 Bolts in Valley. Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for...

Cometic Mercury / Chevy Big Block 4.6in Bore .051 inch MLS Headgasket - C5637-051

Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.051". 4 Bolts in Valley. Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for...

Cometic Mercury/Chevy BB 4.580in Bore .026in MLS-5 Gen 4/5/6 Blocks Head Gasket - C5636-060

Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.060". 4 Bolts in Valley. Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for...

Cometic Mercury/Chevy BB 4.580in Bore .070in MLS-5 Gen 4/5/6 Blocks Head Gasket - C5636-070

Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.098". Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays high...

Cometic MG Midget 1275cc 74mm Bore .027 inch MLS Head Gasket - C4148-027

Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.027". Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays high...

Cometic MG Midget 1275cc 74mm Bore .040 inch MLS Head Gasket - C4148-040

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 MG Midget 1275cc 74mm Bore .045 inch MLS Head Gasket - C4148-045

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 MG Midget 1275cc 74mm Bore .051 inch MLS Head Gasket - C4148-051

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...