Colony Machine Fork Tube Bolt Washer - Washers BIG Twin 1978-2017

Colony Machine fork tube bolt washer for Harley Big Twin models 1978-2017, a critical wear component installed under fork tube mounting bolts to prevent bolt loosening and protect the frame from corrosion and stress marks.

Features

• OEM-spec dimensions and material
• Prevents fork bolt loosening
• Protects frame surface from corrosion
• Lightweight at 0.28 lbs

Specifications

• Brand: Colony Machine
• Manufacturer Part #: 9912-2
• Length: 4.25 in
• Width: 1.5 in
• Height: 0.28 in
• Weight: 0.28 lbs

Fitment

Fits Harley-Davidson Big Twin models 1978 through 2017 that use standard fork tube mounting bolts.

Frequently Asked Questions

What does this washer do?

It distributes clamping force under the fork tube bolt, preventing the bolt from loosening and protecting the frame from stress marks and corrosion.

Will this fit my Sportster?

No — this washer is specific to Big Twin models. Sportster forks use different mounting hardware.

Do I need one or two washers?

You need one washer per fork tube bolt. Most riders buy a spare set for future service.

Is this an OEM part or reproduction?

Colony Machine makes this to OEM specifications as a direct replacement for worn or missing fork tube washers.