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TwinPower

Twin Power 77-90 XL Primary Chain Adjuster Lining Replaces H-D 39966-80

$8.99

SKU: T09O 492795

In Stock
In Stock
Ships by Aug 8
Free Shipping over $100
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

Part #: 492795

Keep the proper tension on your primary chain with the Twin Power (TM) Primary Chain Adjuster Linings.

Primary Chain Adjuster Lining

MIA's Description

It replaces Harley-Davidson part number 39966-80, enhancing the functionality of your motorcycle's primary chain adjuster.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandTwinPower
Part NumberT09O 492795

Videos

About Us | Twin Power

About Us | Twin Power

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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