Looking for aftermarket parts to modify or upgrade your GMC C1500 with head gaskets? At Tunersports.com we carry a huge selection of the top name brand performance head gasket parts and accessories.

SHIPS FROM MANUFACTURER C5816-054MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Mark-IV Big Block V8 .054in MLS Cylinder Head Gasket - 4.320in Bore 1979-1980 GMC C1500 Base / Heavy Half / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $150.72 |
SHIPS FROM MANUFACTURER C5816-056MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Mark-IV Big Block V8 .056in MLS Cylinder Head Gasket - 4.320in Bore 1979-1980 GMC C1500 Base / Heavy Half / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $150.72 |
SHIPS FROM MANUFACTURER C5816-060MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Mark-IV Big Block V8 .060in MLS Cylinder 4.320in Bore Head Gasket 1979-1980 GMC C1500 Base / Heavy Half / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $150.72 |
SHIPS FROM MANUFACTURER C5816-062MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy BB Gen IV 4.320in Bore .062 inch MLS-5 396/402/427/454 Head Gasket 1979-1980 GMC C1500 Base / Heavy Half / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $150.72 |
SHIPS FROM MANUFACTURER C5816-066MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy BB Gen IV 396/402/427/454 H/G 4.320 inch Bore .066 inch MLS Head Gasket 1979-1980 GMC C1500 Base / Heavy Half / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $150.72 |
SHIPS FROM MANUFACTURER C5816-070MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Mark-IV Big Block V8 .070in MLS Cylinder Head Gasket - 4.320in Bore 1979-1980 GMC C1500 Base / Heavy Half / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $150.72 |
SHIPS FROM MANUFACTURER C5816-075MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Mark-IV Big Block V8 .075in MLS Cylinder Head Gasket - 4.320in Bore 1979-1980 GMC C1500 Base / Heavy Half / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $150.72 |
SHIPS FROM MANUFACTURER C5816-080MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Mark-IV Big Block V8 .080in MLS Cylinder 4.320in Bore Head Gasket 1979-1980 GMC C1500 Base / Heavy Half / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $160.71 |
SHIPS FROM MANUFACTURER C5816-084MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Mark-IV Big Block V8 .084in MLS Cylinder Head Gasket - 4.320in Bore 1979-1980 GMC C1500 Base / Heavy Half / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $160.71 |
SHIPS FROM MANUFACTURER C5816-086MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Mark-IV Big Block V8 .086in MLS Cylinder Head Gasket - 4.320in Bore 1979-1980 GMC C1500 Base / Heavy Half / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $160.71 |
SHIPS FROM MANUFACTURER C5816-092MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Mark-IV Big Block V8 .092in MLS Cylinder Head Gasket - 4.320in Bore 1979-1980 GMC C1500 Base / Heavy Half / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $160.71 |
SHIPS FROM MANUFACTURER C5816-095MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Mark-IV Big Block V8 .095in MLS Cylinder Head Gasket - 4.320in Bore 1979-1980 GMC C1500 Base / Heavy Half / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $160.71 |
SHIPS FROM MANUFACTURER C5816-098MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy BB Gen IV 396/402/427/454 H/G 4.320 inch Bore .098 inch MLS Head Gasket 1979-1980 GMC C1500 Base / Heavy Half / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $160.71 |
SHIPS FROM MANUFACTURER C5816-120MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Mark-IV Big Block V8 .120in MLS Cylinder Head Gasket - 4.320in Bore 1979-1980 GMC C1500 Base / Heavy Half / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $235.73 |
SHIPS FROM MANUFACTURER C5816-140MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevrolet Mark-IV Big Block V8 .140in MLS Cylinder Head Gasket - 4.320in Bore 1979-1980 GMC C1500 Base / Heavy Half / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $235.73 |
SHIPS FROM MANUFACTURER C5954-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Gen1 Small Block V8 .040in MLS Cyl Head Gasket-4.060in Bore-Brodix 12-23 Degree Heads 1980-1980 GMC C1500 Heavy Half 1980-1982 GMC C1500 Sierra Grande / Street Coupe 1980-1986 GMC C1500 Base / High Sierra / Sierra Classic $107.12 |
SHIPS FROM MANUFACTURER CF1008High quality and reliable hardware... Cometic Harmonic Balancer Bolt Kit 7/16-20 x 2.25in 1980-1980 GMC C1500 Heavy Half 1980-1982 GMC C1500 Sierra Grande / Street Coupe 1980-1986 GMC C1500 Base / High Sierra / Sierra Classic 1996-1998 GMC C1500 Sierra Special 1996-1999 GMC C1500 Sierra SL / Sierra SLE / Sierra SLT 1997-1997 GMC C1500 Sierra GT $42.98 |
IN STOCK - LOW CF1009High quality and reliable hardware... Cometic Header Bolts 3/8 - 16 3/4in Grade 5 Black Oxide Finish With Hex and Socket Head 1980-1980 GMC C1500 Heavy Half 1980-1982 GMC C1500 Sierra Grande / Street Coupe 1980-1986 GMC C1500 Base / High Sierra / Sierra Classic 1996-1998 GMC C1500 Sierra Special 1996-1999 GMC C1500 Sierra SL / Sierra SLE / Sierra SLT 1997-1997 GMC C1500 Sierra GT $43.77 |
SHIPS FROM MANUFACTURER CP15012Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chrysler/Ford/GM Fuel Pump Gasket .031in Fiber - 4 Bolt - 10 Pack 1980-1980 GMC C1500 Heavy Half 1980-1982 GMC C1500 Sierra Grande / Street Coupe 1980-1986 GMC C1500 Base / High Sierra / Sierra Classic $41.68 |
SHIPS FROM MANUFACTURER CP5126Cometic's HTS Gaskets are designed using reinforced gasket material compounds like armor-clad, graphite, and galvanized steel... Cometic Chevy Gen1 SB V8 Header Gasket .060in HTS 1.810in-Round Port Hooker/Stahl Pattern-20 Pack 1980-1980 GMC C1500 Heavy Half 1980-1982 GMC C1500 Sierra Grande / Street Coupe 1980-1986 GMC C1500 Base / High Sierra / Sierra Classic $191.42 |
SHIPS FROM MANUFACTURER PRO1003T-051MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy 350/400 Gen1 Small Block V8 Top End Gasket Kit-4.165in Bore-.051in MLS Cyl Head Gasket 1979-1980 GMC C1500 Base / High Sierra / Sierra Classic / Sierra Grande / Street Coupe 1980-1980 GMC C1500 Heavy Half $290.62 |
SHIPS FROM MANUFACTURER PRO1003T-4200-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy 350/400 Gen1 Small Block V8 Top End Gasket Kit-4.200in Bore-.040in MLS Cyl Head Gasket 1979-1980 GMC C1500 Base / High Sierra / Sierra Classic / Sierra Grande / Street Coupe 1980-1980 GMC C1500 Heavy Half $290.62 |
SHIPS FROM MANUFACTURER PRO1005T-051MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Mark-IV Big Block V8 Top End Gasket Kit-4.375in Bore-.051in MLS Cylinder Head Gasket 1979-1980 GMC C1500 Base / Heavy Half / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $227.56 |
SHIPS FROM MANUFACTURER PRO1005T-4000-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy 366 Mark-IV Big Block V8 Top End Gasket Kit-4.000in Bore-.040in MLS Cyl Head Gasket 1979-1980 GMC C1500 Base / Heavy Half / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $369.45 |
SHIPS FROM MANUFACTURER PRO1005T-4300-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy Mark-IV Big Block V8 Top End Gasket Kit-4.300in Bore-.040in MLS Cylinder Head Gasket 1979-1980 GMC C1500 Base / Heavy Half / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $220.59 |