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Chevy Small-Block V8 |  Water Pump Pulleys |  3770245  

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3770245  - Water Pump Pulley

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This 71/8" OD pulley has two deep grooves to retain the fan belts at high engine speeds. It was originally installed on fast-revving Corvette and Z-28 small-blocks. Fits short water pumps with 5/8" shaft and small hub.  
Technical Notes: Use with crankshaft pulley P/N 3858533 and belt P/N 9433722 for captured fan belt system without idler or alternator. Must be modified to fit water pump with 3/4" shaft. This pulley is 2.77" deep.  

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