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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 K3500

Cometic Gasket Head Gaskets C5404-040
SHIPS FROM MANUFACTURER
C5404-040
Cometic Chevy Small Block BRODIX BD2000 Heads 4.030in Bore .040in MLS Head Gasket
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$103.82
Cometic Gasket Head Gaskets C5403-040
SHIPS FROM MANUFACTURER
C5403-040
Cometic Chevrolet Small Block Brodix 4.200in Bore .040in MLS All 12-23 Deg Head Gasket
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$103.82
Cometic Gasket Head Gaskets C5551-052
SHIPS FROM MANUFACTURER
C5551-052
Cometic GM Gen-1 Small Block V8 .052in MLX 4.220in Bore Cylinder Head Gasket
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$147.50
Cometic Gasket Head Gaskets C5247-036
SHIPS FROM MANUFACTURER
C5247-036
Cometic Chevy Small Block 4.125 inch Bore .036 inch MLS Headgasket (w/All Steam Holes)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
1980-1986 GMC K3500 Sierra Classic
1980-1982 GMC K3500 Sierra Grande
$106.00
Cometic Gasket Head Gaskets C5405-040
SHIPS FROM MANUFACTURER
C5405-040
Cometic Chevy Small Block BRODIX BD2000 Heads 4.125in Bore .040in MLS Head Gasket
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$103.82
Cometic Gasket Head Gaskets C5403-030
SHIPS FROM MANUFACTURER
C5403-030
Cometic Chevy Small Block All 12-23 Deg. Head 4.200in Bore .030in MLS Head Gasket
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$106.00
Cometic Gasket Head Gaskets C5399-040
SHIPS FROM MANUFACTURER
C5399-040
Cometic Chevy Small Block Brodix (All 12-23 Deg Head) 4.030in Bore .040 inch MLS Head Gasket
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$103.82
Cometic Gasket Head Gaskets C5246-075
SHIPS FROM MANUFACTURER
C5246-075
Cometic Chevy Small Block 4.100 inch Bore .075 inch MLS-5 Headgasket (18 or 23 Deg. Heads)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$130.04
Cometic Gasket Head Gaskets C5246-036
SHIPS FROM MANUFACTURER
C5246-036
Cometic Chevy Small Block 4.100 inch Bore .036 inch MLS Headgasket (18 or 23 Deg. Heads)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$106.00
Cometic Gasket Head Gaskets C5399-080
SHIPS FROM MANUFACTURER
C5399-080
Cometic Chevy Small Block Brodix (All 12-23 Deg Head) 4.030in Bore .080 inch MLS-5 Head Gasket
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$134.22
Cometic Gasket Head Gaskets C5269-040
SHIPS FROM MANUFACTURER
C5269-040
Cometic Chevy Small Block 4.06in Bore .040 inch MLS Headgasket (w/All Steam Holes)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$106.00
Cometic Gasket Head Gaskets C5270-040
SHIPS FROM MANUFACTURER
C5270-040
Cometic Chevy Small Block 4.100 inch Bore .040 inch MLS Headgasket (w/All Steam Holes)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$106.00
Cometic Gasket Head Gaskets C5269-032
SHIPS FROM MANUFACTURER
C5269-032
Cometic 62-69 Chevrolet V8 5.3L Small Block 4.060in Bore .032in MLS Head Gasket (w/Valve Pockets)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$106.00
Cometic Gasket Head Gaskets C5245-060
SHIPS FROM MANUFACTURER
C5245-060
Cometic GM Gen I Small Block V8 4.060in Bore .060in MLS-5 Head Gasket
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$130.04
Cometic Gasket Head Gaskets C5245-036
SHIPS FROM MANUFACTURER
C5245-036
Cometic Chevy Small Block 4.060 inch Bore .036 inch MLS Headgasket (18 or 23 Deg. Heads)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$106.00
Cometic Gasket Head Gaskets C5248-060
SHIPS FROM MANUFACTURER
C5248-060
Cometic Chevy Small Block 4.165 inch Bore .060 inch MLS-5 Headgasket (w/All Steam Holes)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$130.04
Cometic Gasket Head Gaskets C5249-045
SHIPS FROM MANUFACTURER
C5249-045
Cometic Chevy Small Block 4.200 inch Bore .045 inch MLS Headgasket (w/All Steam Holes)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$106.00
Cometic Gasket Head Gaskets C5245-030
SHIPS FROM MANUFACTURER
C5245-030
Cometic Chevy Small Block 4.060 inch Bore .030 inch MLS Headgasket (18 or 23 Deg. Heads)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$106.00
Cometic Gasket Head Gaskets C5245-040
IN STOCK - LOW
C5245-040
Cometic Chevy Small Block 4.060 inch Bore .040 inch MLS Headgasket (18 or 23 Deg. Heads)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$99.40
Cometic Gasket Head Gaskets C5248-030
SHIPS FROM MANUFACTURER
C5248-030
Cometic Chevy Small Block 4.165 inch Bore .030 inch MLS Headgasket (w/All Steam Holes)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$106.00
Cometic Gasket Head Gaskets C5248-036
SHIPS FROM MANUFACTURER
C5248-036
Cometic Chevy Small Block 4.165 inch Bore .036 inch MLS Headgasket (w/All Steam Holes)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$106.00
Cometic Gasket Head Gaskets C5248-051
SHIPS FROM MANUFACTURER
C5248-051
Cometic Chevy Small Block 4.165 inch Bore .051 inch MLS Headgasket (w/All Steam Holes)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$106.00
Cometic Gasket Head Gaskets C5249-051
SHIPS FROM MANUFACTURER
C5249-051
Cometic Chevy Small Block 4.200 inch Bore .051 inch MLS Headgasket (w/All Steam Holes)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$106.00
Cometic Gasket Head Gaskets C5249-036
SHIPS FROM MANUFACTURER
C5249-036
Cometic Chevy Small Block 4.200 inch Bore .036 inch MLS Headgasket (w/All Steam Holes)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$106.00
Cometic Gasket Head Gaskets C5245-066
SHIPS FROM MANUFACTURER
C5245-066
Cometic Chevy Small Block 4.060 inch Bore .066 inch MLS-5 Headgasket (18 or 23 Deg. Heads)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$130.04
Cometic Gasket Head Gaskets C5249-060
SHIPS FROM MANUFACTURER
C5249-060
Cometic Chevy Small Block 4.200 inch Bore .060 inch MLS-5 Headgasket (w/All Steam Holes)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$130.04
Cometic Gasket Head Gaskets C5249-075
SHIPS FROM MANUFACTURER
C5249-075
Cometic Chevy Small Block 4.200 inch Bore .075 inch MLS-5 Headgasket (w/All Steam Holes)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$130.04
Cometic Gasket Head Gaskets C5249-080
SHIPS FROM MANUFACTURER
C5249-080
Cometic Chevy Small Block 4.200 inch Bore .080 inch MLS-5 Headgasket (w/All Steam Holes)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$134.22
Cometic Gasket Head Gaskets C5245-080
SHIPS FROM MANUFACTURER
C5245-080
Cometic Chevy Small Block 4.060 inch Bore .080 inch MLS-5 Headgasket (18 or 23 Deg. Heads)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$134.22
Cometic Gasket Head Gaskets C5245-086
SHIPS FROM MANUFACTURER
C5245-086
Cometic Chevy Small Block 4.060 inch Bore .086 inch MLS-5 Headgasket (18 or 23 Deg. Heads)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$134.22
Cometic Gasket Head Gaskets C5245-089
SHIPS FROM MANUFACTURER
C5245-089
Cometic Chevy Small Block 4.060 inch Bore .089 inch MLS-5 Headgasket (18 or 23 Deg. Heads)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$134.22
Cometic Gasket Head Gaskets C5245-120
SHIPS FROM MANUFACTURER
C5245-120
Cometic Chevy Small Block 4.060 inch Bore .120 inch MLS Headgasket (18 or 23 Deg. Heads)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$224.50
Cometic Gasket Head Gaskets C5248-056
SHIPS FROM MANUFACTURER
C5248-056
Cometic Chevy Small Block 4.165 inch Bore .056 inch MLS-5 Headgasket (w/All Steam Holes)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$130.04
Cometic Gasket Head Gaskets C5248-080
SHIPS FROM MANUFACTURER
C5248-080
Cometic Chevy Small Block 4.165 inch Bore .080 inch MLS-5 Headgasket (w/All Steam Holes)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$134.22
Cometic Gasket Head Gaskets C5248-089
SHIPS FROM MANUFACTURER
C5248-089
Cometic Chevy Small Block 4.165 inch Bore .089 inch MLS-5 Headgasket (w/All Steam Holes)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$134.22
Cometic Gasket Head Gaskets C5248-092
SHIPS FROM MANUFACTURER
C5248-092
Cometic Chevy Small Block 4.165 inch Bore .092 inch MLS-5 Headgasket (w/All Steam Holes)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$134.22
Cometic Gasket Head Gaskets C5248-095
SHIPS FROM MANUFACTURER
C5248-095
Cometic Chevy Small Block 4.165 inch Bore .095 inch MLS-5 Headgasket (w/All Steam Holes)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$134.22
Cometic Gasket Head Gaskets C5248-120
SHIPS FROM MANUFACTURER
C5248-120
Cometic Chevy Small Block 4.165 inch Bore .120 inch MLS Headgasket (w/All Steam Holes)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$224.50
Cometic Gasket Head Gaskets C5249-089
SHIPS FROM MANUFACTURER
C5249-089
Cometic Chevy Small Block 4.200 inch Bore .089 inch MLS-5 Headgasket (w/All Steam Holes)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$134.22
Cometic Gasket Head Gaskets C5249-092
IN STOCK - LOW
C5249-092
Cometic Chevy Small Block 4.200 inch Bore .092 inch MLS-5 Headgasket (w/All Steam Holes)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$127.62
Cometic Gasket Head Gaskets C5249-098
SHIPS FROM MANUFACTURER
C5249-098
Cometic Chevy Small Block 4.200 inch Bore .098 inch MLS-5 Headgasket (w/All Steam Holes)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$134.22
Cometic Gasket Head Gaskets C5249-120
SHIPS FROM MANUFACTURER
C5249-120
Cometic Chevy Small Block 4.200 inch Bore .120 inch MLS Headgasket (w/All Steam Holes)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$224.50
Cometic Gasket Head Gaskets C5031-040
SHIPS FROM MANUFACTURER
C5031-040
Cometic GM SBC V8 4.165in Bore .040 Thick MLX Head Gasket
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$128.12
Cometic Gasket Head Gaskets C15411-043
SHIPS FROM MANUFACTURER
C15411-043
Cometic Chevy Small Block 4.165in Bore 0.043in Copper Head Gasket (No Steam Holes)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
1980-1986 GMC K3500 Sierra Classic
1980-1982 GMC K3500 Sierra Grande
$125.59
Cometic Gasket Head Gaskets C15412-043
SHIPS FROM MANUFACTURER
C15412-043
Cometic GM SB 18/23 Deg 4.200in Bore 0.043in Copper Head Gasket (No Steam Holes)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
1980-1986 GMC K3500 Sierra Classic
1980-1982 GMC K3500 Sierra Grande
$125.59
Cometic Gasket Head Gaskets C5270-030
SHIPS FROM MANUFACTURER
C5270-030
Cometic Chevy Small Block 4.100in Bore .030in MLS Headgasket (w/Valve Pockets)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
1980-1986 GMC K3500 Sierra Classic
1980-1982 GMC K3500 Sierra Grande
$106.00
Cometic Gasket Head Gaskets C5248-066
IN STOCK - LOW
C5248-066
Cometic Chevy Small Block 4.165 inch Bore .066 inch MLS-5 Headgasket (w/All Steam Holes)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$123.44
Cometic Gasket Head Gaskets C5247-040
SHIPS FROM MANUFACTURER
C5247-040
Cometic Chevy Small Block 4.125 inch Bore .040 inch MLS Headgasket (w/All Steam Holes)
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
1980-1986 GMC K3500 Sierra Classic
1980-1982 GMC K3500 Sierra Grande
$106.00
Cometic Gasket Head Gaskets C5269-051
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 K3500 Base
1980-1986 GMC K3500 High Sierra
1980-1986 GMC K3500 Sierra Classic
1980-1982 GMC K3500 Sierra Grande
$106.00
Cometic Gasket Head Gaskets C5402-040
SHIPS FROM MANUFACTURER
C5402-040
Cometic Chevrolet Small Block Brodix 4.160in Bore .040in MLS All 12-23 Deg Head Gasket
1980-1986 GMC K3500 Base
1980-1986 GMC K3500 High Sierra
$103.82