BUY NOW, PAY LATER. Starting at 0% APR 
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .086in MLS Cylinder Head Gasket-4.530in Bore
$158.05
$142.24
CGSC5639-086
Engine Components
Head Gaskets
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.086". 2 Slotted Valley...
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .080in MLS Cylinder Head Gasket-4.530in Bore
$158.05
$142.24
CGSC5639-080
Engine Components
Head Gaskets
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...
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .075in MLS Cylinder Head Gasket-4.530in Bore
$145.51
$130.96
CGSC5639-075
Engine Components
Head Gaskets
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.075". 2 Slotted Valley...
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .070in MLS Cylinder Head Gasket-4.530in Bore
$145.51
$130.96
CGSC5639-070
Engine Components
Head Gaskets
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.070". 2 Slotted Valley...
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .066in MLS Cylinder Head Gasket-4.530in Bore
$145.51
$130.96
CGSC5639-066
Engine Components
Head Gaskets
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...
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .060in MLS Cylinder Head Gasket-4.530in Bore
$145.51
$130.96
CGSC5639-060
Engine Components
Head Gaskets
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.060". 2 Slotted Valley...
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .056in MLS Cylinder Head Gasket-4.530in Bore
$145.51
$130.96
CGSC5639-056
Engine Components
Head Gaskets
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.056". 2 Slotted Valley...
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .054in MLS Cylinder Head Gasket-4.530in Bore
$145.51
$130.96
CGSC5639-054
Engine Components
Head Gaskets
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.054". 2 Slotted Valley...
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .045in MLS Cylinder Head Gasket-4.530in Bore
$105.62
$95.06
CGSC5639-045
Engine Components
Head Gaskets
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.045". 2 Slotted Valley...
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .040in MLS Cylinder Head Gasket-4.530in Bore
$100.59
$90.53
CGSC5639-040
Engine Components
Head Gaskets
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...
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .036in MLS Cylinder Head Gasket-4.530in Bore
$100.59
$90.53
CGSC5639-036
Engine Components
Head Gaskets
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.036". 2 Slotted Valley...
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .030in MLS Cylinder Head Gasket-4.530in Bore
$100.59
$90.53
CGSC5639-030
Engine Components
Head Gaskets
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...
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .027in MLS Cylinder Head Gasket-4.530in Bore
$100.59
$90.53
CGSC5639-027
Engine Components
Head Gaskets
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...
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .120in MLS Cylinder Head Gasket
$261.92
$235.73
CGSC5638-120
Engine Components
Head Gaskets
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.120". 2 Slotted Valley...
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .075in MLS Cylinder Head Gasket
$145.51
$130.96
CGSC5638-075
Engine Components
Head Gaskets
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.075". 2 Slotted Valley...
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .072in MLS Cylinder Head Gasket
$145.51
$130.96
CGSC5638-072
Engine Components
Head Gaskets
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.072". 2 Slotted Valley...
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .070in MLS Cylinder Head Gasket
$145.51
$130.96
CGSC5638-070
Engine Components
Head Gaskets
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...
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .066in MLS Cylinder Head Gasket
$145.51
$130.96
CGSC5638-066
Engine Components
Head Gaskets
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...
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .060in MLS Cylinder Head Gasket
$145.51
$130.96
CGSC5638-060
Engine Components
Head Gaskets
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.060". 2 Slotted Valley...
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .056in MLS Cylinder Head Gasket
$145.51
$130.96
CGSC5638-056
Engine Components
Head Gaskets
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...
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .045in MLS Cylinder Head Gasket
$105.62
$95.06
CGSC5638-045
Engine Components
Head Gaskets
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.045". 2 Slotted Valley...
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .036in MLS Cylinder Head Gasket
$100.59
$90.53
CGSC5638-036
Engine Components
Head Gaskets
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.036". 2 Slotted Valley...
Cometic GM/Mercury Marine 1050 Gen-IV Big Block V8 .027in MLS Cylinder Head Gasket
$100.59
$90.53
CGSC5638-027
Engine Components
Head Gaskets
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...
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .080in MLS Cylinder Head Gasket - 4.600in Bore
$158.05
$142.24
CGSC5637-080
Engine Components
Head Gaskets
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...
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .075in MLS Cylinder Head Gasket - 4.600in Bore
$158.05
$142.24
CGSC5637-075
Engine Components
Head Gaskets
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...
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .070in MLS Cylinder Head Gasket - 4.600in Bore
$145.51
$130.96
CGSC5637-070
Engine Components
Head Gaskets
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...
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .066in MLS Cylinder Head Gasket - 4.600in Bore
$145.51
$130.96
CGSC5637-066
Engine Components
Head Gaskets
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.066". 4 Bolts in...
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .060in MLS Cylinder Head Gasket - 4.600in Bore
$145.51
$130.96
CGSC5637-060
Engine Components
Head Gaskets
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...
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .056in MLS Cylinder Head Gasket - 4.600in Bore
$145.51
$130.96
CGSC5637-056
Engine Components
Head Gaskets
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...
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .045in MLS Cylinder Head Gasket - 4.600in Bore
$105.62
$95.06
CGSC5637-045
Engine Components
Head Gaskets
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.045". 4 Bolts in...
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .040in MLS Cylinder Head Gasket - 4.600in Bore
$100.59
$90.53
CGSC5637-040
Engine Components
Head Gaskets
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.040". 4 Bolts in...
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .030in MLS Cylinder Head Gasket - 4.600in Bore
$100.59
$90.53
CGSC5637-030
Engine Components
Head Gaskets
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...
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .120in MLS Cylinder Head Gasket - 4.580in Bore
$261.92
$235.73
CGSC5636-120
Engine Components
Head Gaskets
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.120". 4 Bolts in...
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .086in MLS Cylinder Head Gasket - 4.580in Bore
$158.05
$142.24
CGSC5636-086
Engine Components
Head Gaskets
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.086". 4 Bolts in...
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .080in MLS Cylinder Head Gasket - 4.580in Bore
$145.51
$130.96
CGSC5636-080
Engine Components
Head Gaskets
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...
Cometic GM/Mercury Marine Big Block V8 Gen-IV/V/VI .075in MLS Cylinder Head Gasket - 4.580in Bore
$145.51
$130.96
CGSC5636-075
Engine Components
Head Gaskets
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.075". 4 Bolts in...
