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:
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Designed for short water pump setups
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Compatible with 1955–1968 Chevy small block (P/N: HZ-9603) and big block (P/N: HZ-9816) pulleys
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Diameter: 6-3/4"
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Depth: 2-15/16"
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1-groove design tailored for A/C belt drive
Perfect for adding A/C systems without compromising accessory drive integrity.