Mr. Gasket Rear Main Seal Gasket Features: Rear Main Seal Gasket Height: 7.25 Width: 4.56 Length: 0.43 Weight: 0.10 lbs Fitment: 1990/GMC/V3500/SLE Crew Cab Pickup 4-Door/7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated^^1990/GMC/V3500/Base Crew Cab Pickup 4-Door/7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated^^1990/GMC/R3500/SLE Crew Cab Pickup 4-Door/7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated^^1990/GMC/R3500/SLE Cab & Chassis 4-Door/7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated^^1990/GMC/R3500/Base Crew Cab Pickup 4-Door/7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated^^1990/GMC/R3500/Base Cab & Chassis 4-Door/7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated^^1990/GMC/R2500 Suburban/SLE Sport Utility 4-Door/7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated^^1990/GMC/R2500 Suburban/Base Sport Utility 4-Door/7.4L 454Cu. In. V8 GAS OHV Naturally Aspirate...