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Speedway Reduction Pulley Combo for Small Block Chevy Short Pump

Price:$64.99
Speedway 20% Pulley Combo for Short Pump
Price:
$64.99
KT
In Stock
Item #:
91015460
Open Kit Components
- Selection of individual components may be necessary for kit purchase.
Speedway Reduction Pulley Combo for Small Block Chevy Short Pump
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Kit includes a cast aluminum double groove cast aluminum water pump pulley, crank pulley, and a matched pair of heavy duty belts. Slows water pump speed by 20% for increased horsepower.

  • Upper Pulley Grooves:  Two
  • Lower Pulley Grooves:  Two 
  • Upper Pulley Diameter:  6-5/8" O.D.
  • Lower Pulley Diameter:  5-7/16" O.D.
  • Upper Pulley Snout Hole:  5/8" O.D. (can be drilled out to 3/4")

Fits Small Block Chevy V8 with '55-'68 short-style water pump with 5/8" shaft.

Note: The lower crank pulleys in our combo kits are manufactured thicker than normal stock pulleys.  This requires longer 3/8" bolts to be purchased separately.  Allen head type bolts recommended. 

Water Pump ID Chart (GIF)


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    Fits Small Block Chevy V8 with '55-'68 short-style water pump with 5/8" shaft.