GMC Cometic Gasket Head Gaskets

Looking to upgrade your GMC with a head gasket from Cometic Gasket? We carry a great variety of Cometic Gasket Head Gaskets and other engine component performance parts for your GMC.

We have 372 Cometic Gasket Head Gaskets available for GMC models with free shipping to the Continental US 48 States.

GMC Cometic Gasket Head Gaskets

GMC Jimmy View all GMC Jimmy Head Gaskets

SHIPS FROM MANUFACTURER C5269-051 Cometic 62-69 Chevrolet V8 5.3L Small Block 4.060in Bore .051in MLS Head Gasket (w/Valve Pockets) 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $106.00 Details

SHIPS FROM MANUFACTURER C5402-040 Cometic Chevrolet Small Block Brodix 4.160in Bore .040in MLS All 12-23 Deg Head Gasket 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $103.82 Details

SHIPS FROM MANUFACTURER C5245-051 Cometic Chevy Small Block 4.060 inch Bore .040 inch MLS Headgasket (18 or 23 Deg. Heads) 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $106.00 Details

SHIPS FROM MANUFACTURER C5474-040 Cometic GM Small Block 4.080 inch Bore .040 inch MLS Headgasket w/ Valve Pockets 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $106.00 Details

SHIPS FROM MANUFACTURER c5247-051 Cometic Chevy Small Block 4.125 inch Bore .051 inch MLS Headgasket (w/All Steam Holes) 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $106.00 Details

SHIPS FROM MANUFACTURER C5474-027 Cometic GM Small Block 4.080 inch Bore .027 inch MLS Headgasket w/ Valve Pockets 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $106.00 Details

SHIPS FROM MANUFACTURER C5247-030 Cometic Chevy Small Block 4.125 inch Bore .030 inch MLS Headgasket (w/All Steam Holes) 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $106.00 Details

SHIPS FROM MANUFACTURER C5247-023 Cometic Chevy Small Block 4.125 inch Bore .023 inch MLS Headgasket (w/All Steam Holes) 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $106.00 Details

IN STOCK - LOW C5400-030 Cometic Gasket Chevy Gen1 Small Block V8 .030in. MLS Cylinder Head Gasket - 4.125in. Bore w/ Brodix 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $97.22 Details

SHIPS FROM MANUFACTURER C5246-030 Cometic Chevy Gen-1 Small Block 4.100 inch Bore .030 inch MLS Headgasket (18 or 23 Deg. Heads) 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $106.00 Details

SHIPS FROM MANUFACTURER C5404-027 Cometic Chevrolet Gen-1 Small Block V8 BRODIX BD2000 Heads 4.030in Bore .027in MLS Head Gasket 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $103.82 Details

SHIPS FROM MANUFACTURER C5245-038 Cometic Chevy Small Block 4.060 inch Bore .038 inch MLS Headgasket (18 or 23 Deg. Heads) 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $106.00 Details

SHIPS FROM MANUFACTURER C5245-034 Cometic Chevy Small Block 4.060 inch Bore .034 inch MLS Headgasket (18 or 23 Deg. Heads) 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $106.00 Details

SHIPS FROM MANUFACTURER C5245-032 Cometic Chevy Small Block 4.060 inch Bore .032 inch MLS Headgasket (18 or 23 Deg. Heads) 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $106.00 Details

SHIPS FROM MANUFACTURER C5245-023 Cometic Chevy Small Block 4.060 inch Bore .023 inch MLS Headgasket (18 or 23 Deg. Heads) 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $106.00 Details

SHIPS FROM MANUFACTURER C5245-045 Cometic Chevy Small Block 4.060 inch Bore .045 inch MLS Headgasket (18 or 23 Deg. Heads) 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $106.00 Details

SHIPS FROM MANUFACTURER C5245-050 Cometic Chevy Small Block 4.060 inch Bore .050 inch MLS Headgasket (18 or 23 Deg. Heads) 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $130.04 Details

SHIPS FROM MANUFACTURER C5245-056 Cometic Chevy Small Block 4.060 inch Bore .056 inch MLS Headgasket (18 or 23 Deg. Heads) 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $130.04 Details

SHIPS FROM MANUFACTURER C5247-060 Cometic Chevy Small Block 4.125 inch Bore .060 inch MLS Headgasket (w/All Steam Holes) 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $130.04 Details

SHIPS FROM MANUFACTURER C5215-027 Cometic GM Dart/Brodix Small Block V8 .027in / 4.270in Bore / 4.500in Bore Center MLS Head Gasket 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $108.26 Details

SHIPS FROM MANUFACTURER C5215-030 Cometic GM Dart/Brodix Small Block V8 .030in / 4.270in Bore / 4.500in Bore Center MLS Head Gasket 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $108.26 Details

SHIPS FROM MANUFACTURER C5215-036 Cometic GM Dart/Brodix Small Block V8 .036in / 4.270in Bore / 4.500in Bore Center MLS Head Gasket 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $108.26 Details

IN STOCK - LOW C5215-040 Cometic GM Dart/Brodix Small Block V8 .040in / 4.270in Bore / 4.500in Bore Center MLS Head Gasket 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $101.66 Details

SHIPS FROM MANUFACTURER C5215-044 Cometic GM Dart/Brodix Small Block V8 .044in / 4.270in Bore / 4.500in Bore Center MLS Head Gasket 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $108.26 Details

SHIPS FROM MANUFACTURER C5215-045 Cometic GM Dart/Brodix Small Block V8 .045in / 4.270in Bore / 4.500in Bore Center MLS Head Gasket 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $108.26 Details

SHIPS FROM MANUFACTURER C5215-051 Cometic GM Dart/Brodix Small Block V8 .051in / 4.270in Bore / 4.500in Bore Center MLS Head Gasket 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $108.26 Details

SHIPS FROM MANUFACTURER C5215-056 Cometic GM Dart/Brodix Small Block V8 .056in / 4.270in Bore / 4.500in Bore Center MLS Head Gasket 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $138.36 Details

SHIPS FROM MANUFACTURER C5215-060 Cometic GM Dart/Brodix Small Block V8 .060in / 4.270in Bore / 4.500in Bore Center MLS Head Gasket 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $138.36 Details

SHIPS FROM MANUFACTURER C5215-066 Cometic GM Dart/Brodix Small Block V8 .066in / 4.270in Bore / 4.500in Bore Center MLS Head Gasket 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $138.36 Details

SHIPS FROM MANUFACTURER C5215-070 Cometic GM Dart/Brodix Small Block V8 .070in / 4.270in Bore / 4.500in Bore Center MLS Head Gasket 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $138.36 Details

SHIPS FROM MANUFACTURER C5215-075 Cometic GM Dart/Brodix Small Block V8 .075in / 4.270in Bore / 4.500in Bore Center MLS Head Gasket 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $138.36 Details

SHIPS FROM MANUFACTURER C5215-080 Cometic GM Dart/Brodix Small Block V8 .080in / 4.270in Bore / 4.500in Bore Center MLS Head Gasket 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $142.32 Details

SHIPS FROM MANUFACTURER C5215-120 Cometic GM Dart/Brodix Small Block V8 .120in / 4.270in Bore / 4.500in Bore Center MLS Head Gasket 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $224.50 Details

SHIPS FROM MANUFACTURER C5272-027 Cometic Chevrolet Gen-1 Small Block V8 4.165in Bore .027in MLS Cylinder Head Gasket 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $106.00 Details

SHIPS FROM MANUFACTURER C5272-030 Cometic Chevrolet Gen-1 Small Block V8 4.165in Bore .030in MLS Cylinder Head Gasket 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra $106.00 Details

IN STOCK - LOW C5272-036 Cometic Chevrolet Gen-1 Small Block V8 4.165in Bore .036in MLS Cylinder Head Gasket 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $99.40 Details

IN STOCK - LOW C5272-040 Cometic Chevrolet Gen-1 Small Block V8 4.165in Bore .040in MLS Cylinder Head Gasket 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $99.40 Details

IN STOCK - LOW C5272-045 Cometic Chevrolet Gen-1 Small Block V8 4.165in Bore .045in MLS Cylinder Head Gasket 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $99.40 Details

IN STOCK - LOW C5404-030 Cometic Chevrolet Gen-1 Small Block V8 BRODIX BD2000 Heads 4.030in Bore .030in MLS Head Gasket 1980-1986 GMC Jimmy Base 1980-1985 GMC Jimmy High Sierra 1980-1986 GMC Jimmy Sierra Classic 1980-1982 GMC Jimmy Sierra Grande 1980-1982 GMC Jimmy Street Coupe $97.22 Details

SHIPS FROM MANUFACTURER C5741-040 Cometic Chevy 229/262 V6 4.3L 4.155in .040in MLS Head Gasket 1992-1995 GMC Jimmy Base 1992-1995 GMC Jimmy SLE 1992-1995 GMC Jimmy SLT 1993-1995 GMC Jimmy SLS 1995-1995 GMC Jimmy SL $113.55 Details

SHIPS FROM MANUFACTURER C5740-040 Cometic Chevy 229/262 V-6 4.3L 4.12in Bore .040 inch MLS Head Gasket 1992-1995 GMC Jimmy Base 1992-1995 GMC Jimmy SLE 1992-1995 GMC Jimmy SLT 1993-1995 GMC Jimmy SLS 1995-1995 GMC Jimmy SL $113.55 Details

IN STOCK - LOW C5739-040 Cometic Chevy 229/262 V-6 4.3L 4.06in Bore .040 inch MLS Head Gasket 1992-1995 GMC Jimmy Base 1992-1995 GMC Jimmy SLE 1992-1995 GMC Jimmy SLT 1993-1995 GMC Jimmy SLS 1995-1995 GMC Jimmy SL $106.95 Details

GMC K15/K1500 Pickup View all GMC K15/K1500 Pickup Head Gaskets

IN STOCK - LOW C5809-040 Cometic Oldsmobile 330-455 V8 4.2 inch Bore .040 inch MLS Head Gasket 1972-1972 GMC K15/K1500 Pickup Base $109.07 Details

SHIPS FROM MANUFACTURER C5809-027 Cometic Oldsmobile 330-455 V8 4.2 inch Bore .027 inch MLS Head Gasket 1972-1972 GMC K15/K1500 Pickup Base $115.67 Details

SHIPS FROM MANUFACTURER C5810-051 Cometic Oldsmobile 330-455 V8 4.400in Bore .051 inch MLS Head Gasket 1972-1972 GMC K15/K1500 Pickup Base $115.67 Details

SHIPS FROM MANUFACTURER C5809-098 Cometic Oldsmobile 330-455 V8 106.68mm Bore .098in MLS Head Gasket 1972-1972 GMC K15/K1500 Pickup Base $151.02 Details

SHIPS FROM MANUFACTURER C5809-030 Cometic Oldsmobile Gen-2 Rocket V8 4.2 inch Bore .030 inch MLS Head Gasket 1972-1972 GMC K15/K1500 Pickup Base $115.67 Details

GMC K1500 View all GMC K1500 Head Gaskets

SHIPS FROM MANUFACTURER C5403-080 Cometic Chevy Small Block All 12-23 Deg. Head 4.200in Bore .080in MLS Head Gasket 1980-1986 GMC K1500 Base 1980-1986 GMC K1500 High Sierra 1980-1986 GMC K1500 Sierra Classic 1980-1982 GMC K1500 Sierra Grande $134.22 Details

SHIPS FROM MANUFACTURER C5248-027 Cometic Chevy Small Block 4.165in Bore .027 inch MLS Head Gasket w/ All Steam Holes 1980-1986 GMC K1500 Base 1980-1986 GMC K1500 High Sierra 1980-1986 GMC K1500 Sierra Classic 1980-1982 GMC K1500 Sierra Grande $106.00 Details

SHIPS FROM MANUFACTURER C5399-027 Cometic Chevy Small Block Brodix (All 12-23 Deg Head) 4.030in Bore .027 inch MLS Head Gasket 1980-1986 GMC K1500 Base 1980-1986 GMC K1500 High Sierra 1980-1986 GMC K1500 Sierra Classic 1980-1982 GMC K1500 Sierra Grande $103.82 Details