1955-68 CHEVY BlACK STEEL CRANK A-C ADD ON PULLEY - 1 GROOVE (SHORT)

Add A/C compatibility to your classic Chevy engine with this Black Finish Steel 1-Groove Crank A/C Add-On Pulley, designed for use with short water pumps on 1955–1968 small block and big block Chevy engines. Engineered to work seamlessly with part numbers HZ-9603 (small block) and HZ-9816 (big block) crank pulleys, this pulley offers a durable steel construction with a corrosion-resistant black finish. Specifications: Designed for short water pump setups Compatible with 1955–1968 Chevy small block (P/N: HZ-9603) and big block (P/N: HZ-9816) pulleys Diameter: 6-3/4" Depth: 2-15/16" 1-groove design tailored for A/C belt drive Perfect for adding A/C systems without compromising accessory drive integrity.