



This March Performance pulley kit replaces the factory crank, water pump and alternator pulleys with a matched set CNC-machined from 6061-T6 billet aluminum. Matched diameters keep the accessory drive working together, and the billet construction is lighter and stronger than stamped steel or cast pulleys. It is a straightforward bolt-on upgrade that also dresses up the front of the engine.
Application: 1994-2003 Chevrolet C/K & Silverado 1500, 2500 and 3500 Trucks with: 4.3L V6 (262 ci) 5.0L V8 (305 ci) 5.7L V8 (350 ci) Requires internal fan. Kit includes: 4311-08 6-rib Crank Pulley (5.9") 124-08; Single 6-rib Alternator Pulley (1.75") All Mounting Hardware.
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