Holley Mechanical Fuel Pump Height: 4.250 Width: 6.000 Length: 7.000 Weight: 2.6 Fitment: 1988/GMC/V3500/Sierra Classic Standard Cab Pickup 2-Door/5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated^^1988/GMC/V3500/Sierra Classic Crew Cab Pickup 4-Door/5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated^^1988/GMC/V3500/Sierra Classic Cab & Chassis 4-Door/5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated^^1988/GMC/V3500/Sierra Classic Cab & Chassis 2-Door/5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated^^1988/GMC/V3500/High Sierra Standard Cab Pickup 2-Door/5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated^^1988/GMC/V3500/High Sierra Crew Cab Pickup 4-Door/5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated^^1988/GMC/V3500/High Sierra Cab & Chassis 4-Door/5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated^^1988/GMC/V3500/High Sierra Cab & Chassis 2-Door/5.7L 350Cu. In. V8 GAS OHV Natu...