Looking for aftermarket parts to modify or upgrade your 1990 GMC C3500 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 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 1988-1993 GMC C3500 Sierra / Sierra SLE / Sierra SLX $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 1988-1993 GMC C3500 Sierra / Sierra SLE / Sierra SLX $274.00 |

SHIPS FROM MANUFACTURER C5087Cometic GM Gen 5/6 Big Block V8 Rear Main Seal Kit - 1 Piece 1989-1993 GMC C3500 Sierra / Sierra SLX 1989-1995 GMC C3500 Sierra SLE $60.14 |

SHIPS FROM MANUFACTURER PRO1004T-4060-062MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Chevy 305/350 Gen1 SB V8 Top End Gskt Kit-4.060in Bore-.062in MLS Cyl Head Gskt-w/ TPI/TBI 1988-1993 GMC C3500 Sierra / Sierra SLE / Sierra SLX $407.51 |

OUT OF STOCK 3866Edelbrock part #3866 replacement runner to base gaskets for Edelbrock #3865 & #3870 intake manifolds are made to our high standards of quality and performance. They're the same high quality gaskets that we supply with our intakes, heads, carbs and other components. Top quality Edelbrock gaskets ensu... Edelbrock T P I Runner Gskt Set 1988-1991 GMC C3500 Sierra / Sierra SLE / Sierra SLX $118.84 |