GM Alternator 5/8 Inch Wide Belt Pulley, Aluminum
GM Alternator 5/8 Inch Wide Belt Pulley, Aluminum
Speedway Motors

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#91016252

GM Alternator 5/8 Inch Wide Belt Pulley, Aluminum

13 Reviews

|

3 Questions

  • Attractive and durable aluminum construction
  • Used on popular GM externally regulated, "SI" and one-wire alternators
  • Fits 1963 and newer GM alternators

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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

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Key Specs

MFG. Part #91016252
BrandSpeedway Motors

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Speedway Motors 91016252 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


Speedway Motors 91016252 Specifications

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

Ratings & Reviews

4.6

13 Reviews

Customers say

The product received consistent praise for its high-quality construction and fit, demonstrating usability across a range of applications such as 12v conversions, boat engines, and alternator positioning. Users reported satisfaction with the product's fitting, quality, and aesthetics. Despite minor adjustments needed for certain applications, and it being too thick on the back side for some single belt applications, the overall sentiment acknowledges it as a worthwhile purchase. The product's superior quality was highlighted as a standout feature, with a customer who had to source an alternator elsewhere complimenting this product's perfect functioning.