Competition Cams CL12-214-4 Features: Cams Are Very Aggressive Designed For Performance Oriented Vehicles Deliver More Power Than Standard Camshafts 1 Year Limited Warranty Height: 3.00 Width: 5.50 Length: 26.00 Weight: 12.94 lbs Fitment: 1988/GMC/G3500/Vandura Standard Cargo Van 3-Door/5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated::Stock Springs Cannot Be Used~ Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle^^1988/GMC/G3500/Vandura Special Cutaway Van 2-Door/5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated::Stock Springs Cannot Be Used~ Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle^^1988/GMC/G3500/Vandura Extended Cargo Van 3-Door/5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated::Stock Springs Cannot Be Used~ Not Legal For Sale Or Use On Pollution-Controlled Motor Vehicle^^1988/GMC/G3500/Rally STX Standard Pa...