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Product Summary

Chevy Small Block V8, 6.60" Overall Diameter, Aluminum

  • Precision machined aluminum construction for superior strength and durability
  • Lightweight versatile design, double groove for V-belt
  • For 1969-1985 Small Block Chevy long style water pumps
  • Fits over a 5/8" water pump shaft (can be drilled to 3/4" if needed)
  • Diameter is 6-5/8"

Key Specs

MFG. Part #91015478
BrandSpeedway Motors

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Speedway Motors 91015478 Details

Cast aluminum double groove V-belt crankshaft pulley for use with 69-85 Small Block Chevy long style water pumps.

  • Precision machined aluminum construction
  • Lightweight and strong
  • Two grooves for V-belts

Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump

Item Details

Double Groove, 6-5/8" Diameter

Speedway Motors 91015478 Specifications

KEY SPECS
MFG. Part #91015478
BrandSpeedway Motors
GENERAL
Overall Diameter6.60"
Mounted Length2.69"
Inside Diameter1.10"
Bolt Hole Pattern3 on 2.75
Groove Count2
Belt Width.41"
Belt TypeV-Belt
Material TypeAluminum
FinishNatural
Sold in QuantityEach
NotesMounted length is from the face of the harmonic balancer towards the front of the vehicle.
Water Pump StyleLong