Complete Pulley Kit: Includes a double-groove water pump pulley, double-groove crank pulley, and a matched pair of heavy-duty drive belts, Small Block Chevy Fitment: Designed for Small Block Chevy V8 engines using 1969–1986 long-style water pumps with a 5/8" shaft, Optimized Accessory Drive: Matched pulley sizing helps slow accessory speed for improved efficiency and consistent operation, Durable Aluminum Construction: Cast aluminum pulleys provide strength, reduced rotating mass, and long-term reliability, Installation Notes: Requires longer 3/8" mounting bolts (sold separately); Allen-head bolts are recommended for proper installation.
