Competition Cams 11-600-4 Thumpr Camshaft * Features: 3 Grinds To Fit All Of Your Performance Needs Long Exhaust Duration Produces A Powerful Hard-Hitting Exhaust Note Excellent Horsepower Gains And Broad Torque Curve Delivers Real Seat Of The Pants Performance Designed For Use w/Latest In ValveTrain Components 1 Year Limited Warranty Height: 2.75" Width: 3.00" Length: 24.50" Weight: 10.22 lbs 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...
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