Colony Machine Transmission Main Shaft Lock Nut - 2036-1991

Colony Machine transmission main shaft lock nut for V-twin motorcycles, an OEM reproduction fastener made in the USA. This single nut secures the transmission main shaft and is essential for proper drivetrain assembly.

Features

• OEM reproduction specification
• Made in the USA
• Sold individually
• Lightweight fastener

Specifications

• Brand: Colony Machine
• Manufacturer Part #: 8408-1
• Length: 4.25 in
• Width: 0.25 in
• Height: 0.12 in
• Weight: 0.125 lbs

Fitment

Fits V-twin motorcycles with stock transmission main shaft design.

Frequently Asked Questions

Is this a single nut or a pack?

Sold individually — order the quantity you need for your project.

Will this fit my Harley transmission?

This OEM reproduction nut is designed for V-twin transmissions. Verify your transmission type before ordering if unsure.

What's the purpose of the main shaft lock nut?

It secures the transmission main shaft in place and prevents it from spinning loose during engine operation.

Is this made in the USA?

Yes — Colony Machine manufactures this nut domestically.