Looking for aftermarket parts to modify or upgrade your GMC G2500 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 C5435Includes all Gaskets, O-Rings, Seals, Etc Needed for a Cam Change... Cometic Chevrolet Gen-1 Small Block V8 Camshaft Seal - Jesel Belt Drive - 86586 1980-1986 GMC G2500 Rally / Rally STX / Vandura 1983-1984 GMC G2500 Rally Custom $81.72 |

SHIPS FROM MANUFACTURER C5085Cometic GM 3.2/3.8/4.1/4.8L Inline 6 3.8/4.3L V6 Chevy Gen1 SB V8 Silicone Rear Main Seal-2 Piece 1980-1986 GMC G2500 Rally / Rally STX / Vandura 1983-1984 GMC G2500 Rally Custom $44.66 |
SHIPS FROM MANUFACTURER C5681Cometic Chevy 1955-1985 Gen1 Small Block V8 Rear Main Seal-Align Honed 400 & Aluminum Block-2 Piece 1980-1986 GMC G2500 Rally / Rally STX / Vandura 1983-1984 GMC G2500 Rally Custom $59.00 |

SHIPS FROM MANUFACTURER C15250A chemically blown, compounded nitrile synthetic rubber bonded to an aluminum core... Cometic GM 4L80E .060in. AFM Transmission Oil Pan Gasket 1991-1995 GMC G2500 Rally / Rally STX / Vandura $48.70 |
SHIPS FROM MANUFACTURER C15254A chemically blown, compounded nitrile synthetic rubber bonded to an aluminum core... Cometic GM Turbo 350 .075in AFM Transmission Oil Pan Gasket 1980-1986 GMC G2500 Rally / Rally STX / Vandura 1983-1984 GMC G2500 Rally Custom $48.70 |
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 1979-1985 GMC G2500 Rally 1980-1985 GMC G2500 Rally STX / Vandura 1983-1984 GMC G2500 Rally Custom $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 1980-1985 GMC G2500 Rally / Rally STX / Vandura 1983-1984 GMC G2500 Rally Custom $55.58 |
SHIPS FROM MANUFACTURER C5294-NDSCometic Chevrolet Gen-1 Small Block V8 Oil Pan Gasket Kit - No Dipstick Hole - Thick Front Seal 1980-1980 GMC G2500 Rally / Rally STX / Vandura 1982-1982 GMC G2500 Rally / Rally STX / Vandura $63.72 |
SHIPS FROM MANUFACTURER C5296Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chevrolet Gen-1 Small Block V8 .094i Fiber Oil Pan Gasket Kit Right Side Dipstick Thin Front 1980-1986 GMC G2500 Rally / Rally STX / Vandura 1983-1984 GMC G2500 Rally Custom $62.01 |
SHIPS FROM MANUFACTURER C5488Cometic Chevy Gen1 SB V8 Oil Pan Gasket Kit-Left Side Dipstick 1980-1986 GMC G2500 Rally / Rally STX / Vandura 1983-1984 GMC G2500 Rally Custom $55.24 |
SHIPS FROM MANUFACTURER C5488-060Cometic Chevy Gen1 SB V8 .060in Oil Pan Gasket Kit-Left Side Dipstick 1980-1986 GMC G2500 Rally / Rally STX / Vandura 1983-1984 GMC G2500 Rally Custom $62.96 |

SHIPS FROM MANUFACTURER PRO1004BCometic 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 1987-92 350ci w/TPI 1989-93 350ci w/TBI & ZZ4 Bottom End Gasket Kit 1986-1993 GMC G2500 Rally / Rally STX / Vandura $97.48 |
SHIPS FROM MANUFACTURER PRO1004TCometic 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 1987-92 350ci w/TPI 1989-93 350ci w/TBI 4.100 Top End Gasket Kit 1987-1993 GMC G2500 Rally / Rally STX / Vandura $274.00 |
SHIPS FROM MANUFACTURER PRO1006BCometic 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 1985-93 262ci 4.3L V6 Bottom End Gasket Kit 1985-1993 GMC G2500 Rally / Rally STX / Vandura $86.55 |
SHIPS FROM MANUFACTURER PRO1006TCometic 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 1985-93 262ci 4.3L V6 4.120 Top End Gasket Kit 1985-1993 GMC G2500 Rally / Rally STX / Vandura $196.00 |

SHIPS FROM MANUFACTURER C5574-018A chemically blown, compounded, nitrile synthetic rubber bonded to an aluminum core... Cometic GM/Ford/Chrysler/Dodge .018in AFM Thermostat Housing Gasket 1980-1995 GMC G2500 Rally STX 1983-1984 GMC G2500 Rally Custom 1985-1995 GMC G2500 Vandura $32.93 |

SHIPS FROM MANUFACTURER C15282Cometic Chevy Gen1/2 Small Block V8-4.3L Gen1 90 Deg V6-Gen-3 Inline 6-153 4 Cyl Timing Cover Seal 1980-1995 GMC G2500 Rally / Rally STX / Vandura 1983-1984 GMC G2500 Rally Custom $42.90 |
SHIPS FROM MANUFACTURER C15615Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chevrolet Gen-1 Small Block V8 .031in Fiber Timing Cover Gasket 1980-1986 GMC G2500 Rally / Rally STX / Vandura 1983-1984 GMC G2500 Rally Custom $37.16 |
SHIPS FROM MANUFACTURER C5051Cometic Chevy 4.3L Gen1 90 Deg V6-1975-1995 Gen1 SB V8 Timing Cover Gasket Kit-w/ Thick Front Seal 1985-1995 GMC G2500 Rally / Rally STX / Vandura $47.31 |
SHIPS FROM MANUFACTURER C5261-031Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chevrolet Gen-1 Small Block V8 .031in Fiber Timing Cover Gasket 1980-1986 GMC G2500 Rally / Rally STX / Vandura 1983-1984 GMC G2500 Rally Custom $45.25 |
SHIPS FROM MANUFACTURER C5376Cometic Chevy Gen 1 Small Block V8 Timing Cover Seal Jesel Belt Drive Dual Lip, Wet & Dry Sump 86587 1980-1986 GMC G2500 Rally / Rally STX / Vandura 1983-1984 GMC G2500 Rally Custom $77.28 |
SHIPS FROM MANUFACTURER C5379Cometic Chevy Gen 1 Small Block V8 Rear Main Seal Dual Lip Wet & Dry Sump 86625 1980-1986 GMC G2500 Rally / Rally STX / Vandura 1983-1984 GMC G2500 Rally Custom $107.17 |
SHIPS FROM MANUFACTURER C5530Cometic Chevrolet Gen-1 Small Block V8 Timing Cover Gasket Kit - Front Cover - 0.31in 1980-1986 GMC G2500 Rally / Rally STX / Vandura 1983-1984 GMC G2500 Rally Custom $50.73 |
SHIPS FROM MANUFACTURER CP15282Cometic Chevy Gen-1 Small Block V8 Timing Cover Seal - 10 Pack 1980-1986 GMC G2500 Rally / Rally STX / Vandura 1983-1984 GMC G2500 Rally Custom $71.59 |
SHIPS FROM MANUFACTURER CP15615Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chevy Gen-1 Small Block V8 Timing Cover Gasket .031in Fiber - 10 Pack 1980-1986 GMC G2500 Rally / Rally STX / Vandura 1983-1984 GMC G2500 Rally Custom $72.05 |