Looking for aftermarket parts to modify or upgrade your GMC C3500 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 C5786-062MLX Gaskets utilize an integrated "stopper" layer for combustion chamber sealing... Cometic Chevy Gen1 Small Block V8 .062in MLX Cylinder Head Gasket-4.220in Bores-Round Bore 1980-1982 GMC C3500 Sierra Grande 1980-1986 GMC C3500 Base / High Sierra / Sierra Classic $136.39 |
SHIPS FROM MANUFACTURER C5816-047MLS 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 .047in MLS Cylinder Head Gasket - 4.320in Bore 1979-1982 GMC C3500 Sierra Grande 1979-1986 GMC C3500 Base / High Sierra / Sierra Classic $123.32 |
SHIPS FROM MANUFACTURER C5816-052MLS 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 .052in MLS Cylinder Head Gasket - 4.320in Bore 1979-1982 GMC C3500 Sierra Grande 1979-1986 GMC C3500 Base / High Sierra / Sierra Classic $150.72 |
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 1979-1982 GMC C3500 Sierra Grande 1979-1986 GMC C3500 Base / High Sierra / Sierra Classic $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 1979-1986 GMC C3500 Base / High Sierra 1988-1990 GMC C3500 Sierra $150.72 |
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 1979-1982 GMC C3500 Sierra Grande 1979-1986 GMC C3500 Base / High Sierra / Sierra Classic $160.71 |
SHIPS FROM MANUFACTURER C5817-027MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM Gen-V/VI Big Block V8 .027in MLS Cylinder Head Gasket - 4.320in Bore 1991-1993 GMC C3500 Sierra / Sierra SLX 1991-1995 GMC C3500 Sierra SLE 1994-1995 GMC C3500 Sierra SL / Sierra SLT $118.97 |
SHIPS FROM MANUFACTURER C5817-030MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM Gen-V/VI Big Block V8 .030in MLS Cylinder Head Gasket - 4.320in Bore 1991-1993 GMC C3500 Sierra / Sierra SLX 1991-1995 GMC C3500 Sierra SLE 1994-1995 GMC C3500 Sierra SL / Sierra SLT $118.97 |
SHIPS FROM MANUFACTURER C5817-036MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM Gen-V/VI Big Block V8 .036in MLS Cylinder Head Gasket - 4.320in Bore 1991-1993 GMC C3500 Sierra / Sierra SLX 1991-1995 GMC C3500 Sierra SLE 1994-1995 GMC C3500 Sierra SL / Sierra SLT $118.97 |
SHIPS FROM MANUFACTURER C5817-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM Gen-V/VI Big Block V8 .040in MLS Cylinder Head Gasket - 4.320in Bore 1991-1993 GMC C3500 Sierra / Sierra SLX 1991-1995 GMC C3500 Sierra SLE 1994-1995 GMC C3500 Sierra SL / Sierra SLT $118.97 |
SHIPS FROM MANUFACTURER C5817-045MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM Gen-V/VI Big Block V8 .045in MLS Cylinder Head Gasket - 4.320in Bore 1991-1993 GMC C3500 Sierra / Sierra SLX 1991-1995 GMC C3500 Sierra SLE 1994-1995 GMC C3500 Sierra SL / Sierra SLT $123.32 |
SHIPS FROM MANUFACTURER C5817-051MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM Gen-V/VI Big Block V8 .051in MLS Cylinder Head Gasket - 4.320in Bore 1991-1993 GMC C3500 Sierra / Sierra SLX 1991-1995 GMC C3500 Sierra SLE 1994-1995 GMC C3500 Sierra SL 1994-2000 GMC C3500 Sierra SLT $123.32 |
SHIPS FROM MANUFACTURER C5817-056MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM Gen-V/VI Big Block V8 .056in MLS Cylinder Head Gasket - 4.320in Bore 1991-1993 GMC C3500 Sierra / Sierra SLX 1991-1995 GMC C3500 Sierra SLE 1994-1995 GMC C3500 Sierra SL / Sierra SLT $150.72 |
SHIPS FROM MANUFACTURER C5817-060MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM Gen-V/VI Big Block V8 .060in MLS Cylinder Head Gasket - 4.320in Bore 1991-1993 GMC C3500 Sierra / Sierra SLX 1991-1995 GMC C3500 Sierra SLE 1994-1995 GMC C3500 Sierra SL / Sierra SLT $150.72 |
SHIPS FROM MANUFACTURER C5817-066MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM Gen-V/VI Big Block V8 .066in MLS Cylinder Head Gasket - 4.320in Bore 1991-1993 GMC C3500 Sierra / Sierra SLX 1991-1995 GMC C3500 Sierra SLE 1994-1995 GMC C3500 Sierra SL / Sierra SLT $150.72 |
SHIPS FROM MANUFACTURER C5817-070MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM Gen-V/VI Big Block V8 .070in MLS Cylinder Head Gasket - 4.320in Bore 1991-1993 GMC C3500 Sierra / Sierra SLX 1991-1995 GMC C3500 Sierra SLE 1994-1995 GMC C3500 Sierra SL / Sierra SLT $150.72 |
SHIPS FROM MANUFACTURER C5817-075MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM Gen-V/VI Big Block V8 .075in MLS Cylinder Head Gasket - 4.320in Bore 1991-1993 GMC C3500 Sierra / Sierra SLX 1991-1995 GMC C3500 Sierra SLE 1994-1995 GMC C3500 Sierra SL / Sierra SLT $150.72 |
SHIPS FROM MANUFACTURER C5817-080MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM Gen-V/VI Big Block V8 .080in MLS Cylinder Head Gasket - 4.320in Bore 1991-1993 GMC C3500 Sierra / Sierra SLX 1991-1995 GMC C3500 Sierra SLE 1994-1995 GMC C3500 Sierra SL / Sierra SLT $160.71 |
SHIPS FROM MANUFACTURER C5817-086MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM Gen-V/VI Big Block V8 .086in MLS Cylinder Head Gasket - 4.320in Bore 1991-1993 GMC C3500 Sierra / Sierra SLX 1991-1995 GMC C3500 Sierra SLE 1994-1995 GMC C3500 Sierra SL / Sierra SLT $160.71 |
SHIPS FROM MANUFACTURER C5817-092MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM Gen-V/VI Big Block V8 .092in MLS Cylinder Head Gasket - 4.320in Bore 1991-1993 GMC C3500 Sierra / Sierra SLX 1991-1995 GMC C3500 Sierra SLE 1994-1995 GMC C3500 Sierra SL / Sierra SLT $160.71 |
SHIPS FROM MANUFACTURER C5817-098MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy BB Gen IV 451 H/G 4.320 inch Bore .098 inch MLS Head Gasket 1991-1993 GMC C3500 Sierra / Sierra SLX 1991-1995 GMC C3500 Sierra SLE 1994-1995 GMC C3500 Sierra SL / Sierra SLT $160.71 |
SHIPS FROM MANUFACTURER C5817-120MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM Gen-V/VI Big Block V8 .120in MLS Cylinder Head Gasket - 4.320in Bore 1991-1993 GMC C3500 Sierra / Sierra SLX 1991-1995 GMC C3500 Sierra SLE 1994-1995 GMC C3500 Sierra SL / Sierra SLT $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 1980-1982 GMC C3500 Sierra Grande 1980-1986 GMC C3500 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 1980-1982 GMC C3500 Sierra Grande 1980-1986 GMC C3500 Base / High Sierra / Sierra Classic $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 1980-1982 GMC C3500 Sierra Grande 1980-1986 GMC C3500 Base / High Sierra / Sierra Classic $43.77 |