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Product Summary

  • Attractive and durable aluminum construction
  • Used on popular GM externally regulated, "SI" and one-wire alternators
  • Fits 1963 and newer GM alternators
  • Allows the use of the 5/8" wide flathead Ford style V-belts
  • Inside diameter .661", outside diameter 2.883", 1.282" thick

Key Specs

MFG. Part #91016252
BrandSpeedway Motors

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Details

So, you've converted over to a 12-volt electrical system and bolted a GM alternator to your flathead Ford V8. Now it's time to install the belt and pulley, but your engine uses a 5/8" belt and the alternator pulley is 1/2"! Don't worry – Speedway has you covered. This aluminum pulley is designed to fit on a GM alternator and use a 5/8" drive belt.

  • Used on popular GM externally regulated, "SI" and one-wire alternators
  • Fits 1963 and newer GM alternators
  • Allows the use of the 5/8" wide flathead Ford style V-belts
  • Attractive and durable aluminum construction

Application


Specifications

KEY SPECS
MFG. Part #91016252
BrandSpeedway Motors
GENERAL
Groove Count1