Looking for aftermarket parts to modify or upgrade your GMC K2500 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 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 K2500 Sierra / Sierra SLX 1991-1995 GMC K2500 Sierra SLE 1994-1995 GMC K2500 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 K2500 Sierra / Sierra SLX 1991-1995 GMC K2500 Sierra SLE 1994-1995 GMC K2500 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 K2500 Sierra / Sierra SLX 1991-1995 GMC K2500 Sierra SLE 1994-1995 GMC K2500 Sierra SL / 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 K2500 Sierra / Sierra SLX 1991-1995 GMC K2500 Sierra SLE 1994-1995 GMC K2500 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 K2500 Sierra / Sierra SLX 1991-1995 GMC K2500 Sierra SLE 1994-1995 GMC K2500 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 K2500 Sierra / Sierra SLX 1991-1995 GMC K2500 Sierra SLE 1994-1995 GMC K2500 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 K2500 Sierra / Sierra SLX 1991-1995 GMC K2500 Sierra SLE 1994-1995 GMC K2500 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 K2500 Sierra / Sierra SLX 1991-1995 GMC K2500 Sierra SLE 1994-1995 GMC K2500 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 K2500 Sierra / Sierra SLX 1991-1995 GMC K2500 Sierra SLE 1994-1995 GMC K2500 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 K2500 Sierra / Sierra SLX 1991-1995 GMC K2500 Sierra SLE 1994-1995 GMC K2500 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 K2500 Sierra / Sierra SLX 1991-1995 GMC K2500 Sierra SLE 1994-1995 GMC K2500 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 K2500 Sierra / Sierra SLX 1991-1995 GMC K2500 Sierra SLE 1994-1995 GMC K2500 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 K2500 Sierra / Sierra SLX 1991-1995 GMC K2500 Sierra SLE 1994-1995 GMC K2500 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 K2500 Sierra Grande 1980-1986 GMC K2500 Base / High Sierra / Sierra Classic $107.12 |
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 1980-1982 GMC K2500 Sierra Grande 1980-1986 GMC K2500 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 1980-1982 GMC K2500 Sierra Grande 1980-1986 GMC K2500 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 K2500 Base $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 K2500 Base $290.62 |
SHIPS FROM MANUFACTURER PRO1006T-4060-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy LB1/LB4 Gen1 90 Degree V6 Top End Gasket Kit-4.060in Bore-.040in MLS Cyl Head Gasket 1985-1985 GMC K2500 Base / High Sierra / Sierra Classic 1988-1993 GMC K2500 Sierra / Sierra SLE / Sierra SLX $196.00 |

IN STOCK - DROPSHIPS 3678MAHLE(R) gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.... MAHLE Original Am General Hummer 93-92 Cylinder Head Gasket 1982-1982 GMC K2500 Sierra Grande 1982-1986 GMC K2500 Base / High Sierra / Sierra Classic 1988-1993 GMC K2500 Sierra / Sierra SLE / Sierra SLX $77.81 |
IN STOCK - DROPSHIPS 4021MAHLE(R) gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.... MAHLE Original Am General Hummer 01-99 Cylinder Head Gasket 1992-1993 GMC K2500 Sierra / Sierra SLX 1992-2000 GMC K2500 Sierra SLE 1994-2000 GMC K2500 Sierra SL / Sierra SLT $61.05 |
IN STOCK - DROPSHIPS 4021TMAHLE(R) gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.... MAHLE Original Am General Hummer 01-99 Cylinder Head Gasket 1992-1993 GMC K2500 Sierra / Sierra SLX 1992-2000 GMC K2500 Sierra SLE 1994-2000 GMC K2500 Sierra SL / Sierra SLT $58.41 |
IN STOCK - DROPSHIPS 4878MAHLE(R) gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.... MAHLE Original Chevrolet C60 Kodiak 96-91 Cylinder Head Gasket 1991-1993 GMC K2500 Sierra / Sierra SLX 1991-2000 GMC K2500 Sierra SLE 1994-2000 GMC K2500 Sierra SL / Sierra SLT $51.38 |
IN STOCK - DROPSHIPS 5744MAHLE(R) gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.... MAHLE Original Chevrolet Astro 05-85 Cylinder Head Gasket 1985-1985 GMC K2500 Base / High Sierra / Sierra Classic 1988-1993 GMC K2500 Sierra / Sierra SLX 1988-1995 GMC K2500 Sierra SLE 1994-1995 GMC K2500 Sierra SL $51.85 |
OUT OF STOCK HS1178VNMAHLE(R) gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.... MAHLE Original Chevrolet Blazer 94-87 Head Set 1988-1993 GMC K2500 Sierra / Sierra SLX 1988-1995 GMC K2500 Sierra SLE 1994-1995 GMC K2500 Sierra SL / Sierra SLT $104.38 |