Chevy GM trucks polished aluminum billet 6 groove serpentine crank and Alternator pulleys set. These are for the Chevy trucks V6, 4.3L 262, V8, 5.0L 305, 5.7L 350, engine with External Alternator Fan.
1988-1994 V6, 4.3L K1500 C1500 PICKUP.
1988-1994 V8, 5.0L K2500 C2500 PICKUP.
1988-1994 V8, 5.7L K3500 C3500 PICKUP.
The pulley will fit The pulleys are CNC-machined from the lightest, most durable materials possible; 6061-T6 aluminum billet and polished to a near mirror finish. The pulley are 25 percent underdrive. The crank pulley are in 5 7/8" diameter. The Alternator pulley are in 3" diameter.