Looking for aftermarket parts to modify or upgrade your 1978 Chevrolet C30 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 C15560A chemically blown, compounded nitrile synthetic rubber bonded to an aluminum core... Cometic Chevy Big Block V8 Single Split Rear Main Seal 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $104.60 |

SHIPS FROM MANUFACTURER C5682Cometic Chevrolet Mark-IV Big Block V8 Rear Main Seal - 2 Piece 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $60.14 |

SHIPS FROM MANUFACTURER C15546Cometic Chevrolet Gen-1 Small Block V8 Oil Pan Gasket- One Piece Molded Rubber 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1985 Chevrolet C30 Scottsdale / Silverado $63.58 |
SHIPS FROM MANUFACTURER C15550Cometic Chevrolet Gen-IV Big Block V8 One Piece Molded Rubber Oil Pan Gasket 1965-1990 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $77.02 |
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 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $59.74 |
SHIPS FROM MANUFACTURER C5254Cometic GM Big Block V8 Oil Pan Gasket Set (Fits Aftermarket Blocks) 1975-1980 Chevrolet C30 Cheyenne / Custom Deluxe / Scottsdale $62.01 |
SHIPS FROM MANUFACTURER C5295-031Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chevy Gen1 SB V8 .031in Fiber Oil Pan Gasket Kit-Left Side Dipstick-Thick & Thin Front Seals 1975-1979 Chevrolet C30 Cheyenne / Custom Deluxe / Scottsdale / Silverado $61.13 |
SHIPS FROM MANUFACTURER C5295-060AFMA chemically blown, compounded nitrile synthetic rubber bonded to an aluminum core... Cometic Chevy Gen1 Small Block V8 .060in AFM Oil Pan Gasket Kit-Left Side Dipstick 1975-1979 Chevrolet C30 Cheyenne / Custom Deluxe / Scottsdale / Silverado $63.72 |
SHIPS FROM MANUFACTURER C5295-075A chemically blown, compounded nitrile synthetic rubber bonded to an aluminum core... Cometic Chevy Gen1 SB V8 .075in AFM Oil Pan Gasket Kit-Left Side Dipstick-Thick & Thin Front Seals 1975-1979 Chevrolet C30 Cheyenne / Custom Deluxe / Scottsdale / Silverado $55.58 |
SHIPS FROM MANUFACTURER C5295-094Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chevy Gen1 Small Block V8 .094in Fiber Oil Pan Gasket Kit Left Side Thick & Thin Front Seals 1975-1979 Chevrolet C30 Cheyenne / Scottsdale / Silverado 1975-1980 Chevrolet C30 Custom Deluxe $59.74 |
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 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $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 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $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 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $54.59 |

SHIPS FROM MANUFACTURER PRO1003BCometic 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 1967-88 350ci 1970-76 400ci Small Block Bottom End Gasket Kit 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1985 Chevrolet C30 Scottsdale / Silverado $104.43 |
SHIPS FROM MANUFACTURER PRO1003TCometic 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 1967-88 350ci 1970-76 400ci 4.165 Small Block Top End Gasket Kit 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1985 Chevrolet C30 Scottsdale / Silverado $262.38 |
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 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $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 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1985 Chevrolet C30 Scottsdale / Silverado $220.59 |

SHIPS FROM MANUFACTURER C15283Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 Timing Cover Seal 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $45.87 |
SHIPS FROM MANUFACTURER C5053Cometic Chevrolet 153 4 Cylinder Gen-3 Inline 6 Timing Cover Gasket Kit 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1984 Chevrolet C30 Scottsdale / Silverado $47.31 |
SHIPS FROM MANUFACTURER C5057Cometic Chevrolet Mark-IV GM Gen-V Big Block V8 Timing Cover Gasket Kit 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $49.15 |
SHIPS FROM MANUFACTURER C5345-031Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chevrolet Mark-IV GM Gen-V Big Block V8 .031in Fiber Timing Cover Gasket 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $54.19 |
SHIPS FROM MANUFACTURER C5377Cometic Chevy Mark IV Big Block V8 Timing Cover Seal Jesel Belt Drive Dual Lip Wet & Dry Sump 86622 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $93.46 |
SHIPS FROM MANUFACTURER C5381Cometic Chevy Mark IV Big Block V8 Rear Main Seal 2 Pc Double Split Seal Wet & Dry Sump 86665 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $113.32 |
SHIPS FROM MANUFACTURER C5650Fully cured nitrile butadiene rubber binder for maximum fluid resistance... Cometic Chevrolet Mark-IV GM Gen-V Big Block V8 .031in Fiber Timing Cover Gasket Kit 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $55.91 |
SHIPS FROM MANUFACTURER C5650AFMA chemically blown, compounded, nitrile synthetic rubber bonded to an aluminum core... Cometic Chevrolet Mark-IV GM Gen-V Big Block V8 .032in AFM Timing Cover Gasket Kit 1975-1980 Chevrolet C30 Custom Deluxe 1975-1981 Chevrolet C30 Cheyenne 1975-1986 Chevrolet C30 Scottsdale / Silverado $55.91 |