Competition Cams 11-602-8 Features: 3 Grinds To Fit All Of Your Performance Needs Unique Design Maximizes Sound And Mid To High RPM Power Ensures Safe Piston-To-Valve Clearance Proven To Generate 25+ RWHP Gains Does Not Compromise Durability 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::Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle^^1989/GMC/V3500/Sierra Classic Crew Cab Pickup 4-Door/7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated::Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle^^1989/GMC/V3500/Sierra Classic Cab & Chassis 4-Door/7.4L 454Cu. In. V8 GAS OHV Naturally Aspirated::Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle^^1989/GMC/V3500/...
