Edelbrock 6998 Timing Cover Gasket And Oil Seal Kit Height: 0.130 Width: 8.000 Length: 11.000 Weight: 0.32 Fitment: 1989/GMC/V3500/Sierra Classic Standard Cab Pickup 2-Door/7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated^^1989/GMC/V3500/Sierra Classic Crew Cab Pickup 4-Door/7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated^^1989/GMC/V3500/Sierra Classic Cab & Chassis 4-Door/7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated^^1989/GMC/V3500/Sierra Classic Cab & Chassis 2-Door/7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated^^1989/GMC/V3500/High Sierra Standard Cab Pickup 2-Door/7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated^^1989/GMC/V3500/High Sierra Crew Cab Pickup 4-Door/7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated^^1989/GMC/V3500/High Sierra Cab & Chassis 4-Door/7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated^^1989/GMC/V3500/High Sierra Cab & Chassis 2-Door/7.4L 454Cu. In. V8 GAS OHV Na...