Looking for aftermarket parts to modify or upgrade your 1979 GMC C1500 with gasket kits? At Tunersports.com we carry a huge selection of the top name brand performance gasket kit parts and accessories.

SHIPS FROM MANUFACTURER C5682Cometic Chevrolet Mark-IV Big Block V8 Rear Main Seal - 2 Piece 1979-1980 GMC C1500 Base / Heavy Half / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $60.14 |

SHIPS FROM MANUFACTURER C15607Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chevy Mark-IV BB V8 .094in Fiber Oil Pan Gasket Kit 1979-1980 GMC C1500 Base / Heavy Half / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $59.74 |
SHIPS FROM MANUFACTURER C5294Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chevy Gen1 Small Block V8 .094in Fiber Oil Pan Gskt Kit-Right Side Dipstick-Thick Front Seal 1979-1980 GMC C1500 Heavy Half 1979-1982 GMC C1500 Sierra Grande / Street Coupe 1979-1985 GMC C1500 Base / High Sierra / Sierra Classic $59.74 |
SHIPS FROM MANUFACTURER C5294-075AFMA chemically blown, compounded nitrile synthetic rubber bonded to an aluminum core... Cometic Chevy Gen1 Small Block V8 .075in AFM Oil Pan Gasket Kit-Right Side Dipstick-Thick Front Seal 1979-1980 GMC C1500 Heavy Half 1979-1982 GMC C1500 Sierra Grande / Street Coupe 1979-1985 GMC C1500 Base / High Sierra / Sierra Classic $55.58 |
SHIPS FROM MANUFACTURER C5294-NDSCometic Chevrolet Gen-1 Small Block V8 Oil Pan Gasket Kit - No Dipstick Hole - Thick Front Seal 1979-1980 GMC C1500 Base / Heavy Half / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $63.72 |
SHIPS FROM MANUFACTURER C5344Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chevrolet Mark-IV Big Block V8 .094in Fiber Oil Pan Gasket Kit - Trimmed Side Rails 1979-1980 GMC C1500 Base / Heavy Half / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $59.74 |
SHIPS FROM MANUFACTURER C5344-060A chemically blown, compounded nitrile synthetic rubber bonded to an aluminum core... Cometic Chevrolet Mark-IV Big Block V8 .060in AFM Oil Pan Gasket Kit - Trimmed Side Rails 1979-1980 GMC C1500 Base / Heavy Half / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $63.72 |
SHIPS FROM MANUFACTURER C5344-075A chemically blown, compounded nitrile synthetic rubber bonded to an aluminum core... Cometic Chevrolet Mark-IV Big Block V8 .075in AFM Oil Pan Gasket Kit - Trimmed Side Rails 1979-1980 GMC C1500 Base / Heavy Half / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $54.59 |

IN STOCK - LOW PRO1005BCometic Street Pro Kits are geared toward the street rider who is looking to purchase a kit with all necessary gaskets and seals needed for your rebuild.... Cometic Street Pro GM 1970-85 454ci Big Block Bottom End Gasket Kit 1979-1980 GMC C1500 Base / Heavy Half / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $75.58 CLEARANCE VIEW PRICE IN CART |
SHIPS FROM MANUFACTURER PRO1005TCometic Street Pro Kits are geared toward the street rider who is looking to purchase a kit with all necessary gaskets and seals needed for your rebuild.... Cometic Street Pro GM 1970-85 454ci Big Block 4.375 Top End Gasket Kit 1979-1980 GMC C1500 Base / Heavy Half / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $220.59 |

SHIPS FROM MANUFACTURER C15283Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 Timing Cover Seal 1979-1980 GMC C1500 Base / Heavy Half / High Sierra $45.87 |
SHIPS FROM MANUFACTURER C5053Cometic Chevrolet 153 4 Cylinder Gen-3 Inline 6 Timing Cover Gasket Kit 1979-1980 GMC C1500 Heavy Half 1979-1982 GMC C1500 Sierra Grande / Street Coupe 1979-1984 GMC C1500 Base / High Sierra / Sierra Classic $47.31 |
SHIPS FROM MANUFACTURER C5057Cometic Chevrolet Mark-IV GM Gen-V Big Block V8 Timing Cover Gasket Kit 1979-1980 GMC C1500 Base / Heavy Half / High Sierra / Sierra Classic $49.15 |
SHIPS FROM MANUFACTURER C5377Cometic Chevy Mark IV Big Block V8 Timing Cover Seal Jesel Belt Drive Dual Lip Wet & Dry Sump 86622 1979-1980 GMC C1500 Base / Heavy Half / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $93.46 |
SHIPS FROM MANUFACTURER C5381Cometic Chevy Mark IV Big Block V8 Rear Main Seal 2 Pc Double Split Seal Wet & Dry Sump 86665 1979-1980 GMC C1500 Base / Heavy Half / High Sierra / Sierra Classic $113.32 |
SHIPS FROM MANUFACTURER CP15283Cometic Chevy Gen-4/5/6 Big Block V8 Timing Cover Seal - 10 Pack 1979-1980 GMC C1500 Base / Heavy Half / High Sierra $80.82 |
SHIPS FROM MANUFACTURER CP5345Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chevy Gen-4/5 Big Block V8 Timing Cover Gasket .031in Fiber - 10 Pack 1979-1980 GMC C1500 Base / Heavy Half / High Sierra $75.55 |

SHIPS FROM MANUFACTURER PRO1003T-400-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy 350 Gen1 Small Block V8 Top End Gasket Kit-4.000in Bore-.040in MLS Cyl Head Gasket 1979-1980 GMC C1500 Base / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $290.62 |
SHIPS FROM MANUFACTURER PRO1003T-4020MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy 350 Gen1 Small Block V8 Top End Gasket Kit-4.020in Bore-.040in MLS Cyl Head Gasket 1979-1980 GMC C1500 Base / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $290.62 |
SHIPS FROM MANUFACTURER PRO1003T-4060-027MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy 350 Gen1 Small Block V8 Top End Gasket Kit-4.060in Bore-.027in MLS Cyl Head Gasket 1979-1980 GMC C1500 Base / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $290.62 |
SHIPS FROM MANUFACTURER PRO1003T-4060-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy 350 Gen1 Small Block V8 Top End Gasket Kit-4.060in Bore-.040in MLS Cyl Head Gasket 1979-1980 GMC C1500 Base / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $290.62 |
SHIPS FROM MANUFACTURER PRO1003T-4100-027MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy 350 Gen1 Small Block V8 Top End Gasket Kit-4.100in Bore-.027in MLS Cyl Head Gasket 1979-1980 GMC C1500 Base / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $290.62 |
SHIPS FROM MANUFACTURER PRO1003T-4100-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy 350 Gen1 Small Block V8 Top End Gasket Kit-4.100in Bore-.040in MLS Cyl Head Gasket 1979-1980 GMC C1500 Base / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $262.38 |
SHIPS FROM MANUFACTURER PRO1005T-4200-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy 396/402 Mark-IV Big Block V8 Top End Gskt Kit-4.200in Bore-.040in MLS Cyl Head Gskt 1979-1980 GMC C1500 Base / Heavy Half / High Sierra / Sierra Classic / Sierra Grande / Street Coupe $216.43 |

SHIPS FROM MANUFACTURER C5345FFully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chevy Mark-IV GM Gen-V Big Block V8 .031in Fiber Timing Cover Gskt Kit-With Water Pump Gskts 1979-1980 GMC C1500 Base / Heavy Half / High Sierra $63.82 |