MSD Ignition Distributor Rotor Features: Resist Carbon Tracking Low Resistance Brass Max Voltage Transfer High Quality; Voltage Insulating Material Height: 5.00 Width: 2.50 Length: 3.50 Weight: 0.30 lbs Vehicle Type: 2717 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/...