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Vehicle Info NeededV-Belt Pulley Set - High Water Flow Ratio Small Block Chevy
Ships on 09/09/2026
Lowest Price Guarantee- V-Belt Pulley Set - High Water Flow Ratio
- Small Block Chevy
- Short Water Pump
- 7" 3-Groove Crank Pulley
- 6-1/4" 2-Groove Water Pump Pulley
- 2-11/16" 1-Groove Alternator Pulley w/Cover
- Clear Powdercoat
Keyway power steering pumps use optional p/n 655-510 single groove power steering pump pulley.
Press-fit power steering pumps use optional p/n 655-511 single groove power steering pump pulley.
Billet Alternator Fan also available, p/n 655-221 (sold separately).
March Chevy Serpentine Conversion Pulley Sets are precision CNC machined for small and big block Chevy applications from 6061-T6 aluminum for extra strength, wear and to run perfectly true. These 3-piece sets include crank, water pump and alternator pulleys and are available in two ratios; Performance for limited street/racing applications and High Waterflow for daily drivers. They increase horsepower by reducing drag plus help eliminate belt slip and throwing. Finished with a ''No Polishing'' clear protective powdercoat for a maintenance-free finish!
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Performance Ratios
Uses a smaller performance crank pulley and larger water pump pulley to increase horsepower by reducing accessory drag, with typical gains of 12-15 horsepower at the rear wheels.
High Water Flow Ratios
Increases cooling by speeding up water flow and fan speed. This helps at critical low speed driving where most overheating occurs.
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