Colony Machine Clutch Hub Nut Parkerized 2513-3 for 4Spd Big Twin & 45s

Colony Machine Clutch Hub Nut Parkerized 2513-3 for 4Spd Big Twin & 45s

$18.23
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Colony Machine Clutch Hub Nut Parkerized 2513-3 for 4Spd Big Twin & 45s

Colony Machine Clutch Hub Nut Parkerized 2513-3 for 4Spd Big Twin & 45s

$18.23

This Colony Machine Clutch Hub Nut set offers an accurate reproduction of the machined OEM 37581-47 nut, engineered to deliver dependable performance and vintage correctness. Finished with a durable parkerized coating, these hardware components provide exceptional corrosion resistance and a classic look suitable for period-correct restorations and rebuilds.

Manufactured to precise standards in the USA, this pack of three ensures you have the necessary hardware for your clutch and primary drive maintenance. It is designed specifically for seamless fitment on vintage 4-speed Big Twin models from 1947 to 1984 and 45ci models from 1947 to 1973.

Key Features

OEM Reference 37581-47
Finish Parkerized
Country of Origin USA
Fitment 4Spd Big Twin 1947-1984 & 45's 1947-1973
Brand Colony Machine
Manufacturer Part Number 2513-3
Package Quantity Pack of 3
Product Type Clutch Hub Nut
Product Weight 0.1 kg

Highlights

  • Accurate reproduction of machined OEM 37581-47 hardware
  • Durable, corrosion-resistant parkerized finish
  • Proudly made in the USA by Colony Machine
  • Supplied conveniently in a pack of 3

Compatibility

Compatible with 4-speed Big Twin models from 1947 to 1984 and 45's models from 1947 to 1973 (Replaces OEM 37581-47).

Frequently asked questions

What OEM part number does this nut replicate?

This hardware is an accurate reproduction of the original OEM 37581-47 nut.

Which motorcycle models does this clutch hub nut fit?

It fits 4-speed Big Twin models from 1947 through 1984, as well as 45's models from 1947 through 1973.

What surface finish is applied to the nuts?

These clutch hub nuts come with a durable parkerized finish.

How many nuts are included in this package?

This item is sold as a pack of 3 nuts.

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