

Specifications
- Brand
- TwinPower
- Part #
- 591201
- UPC
- 887337239910

Twin Power 36-86 FL FX 84-06 Softail 91-05 FXD Primary Chain Replaces H-D 40007-36B
$92.15
Twin Power primary chain for Harley-Davidson FL and FX models. Replaces H-D 40007-36B.
Key Features
- Fits Harley-Davidson FL and FX models from 1986-2006, including many Softail and Dyna applications.
- Replaces Harley-Davidson OEM part number 40007-36B.
- Features precision-ground side plates for smoother operation.
- Designed to meet or exceed original equipment specifications.
Product Details
This Twin Power primary chain is a direct replacement for your Harley-Davidson FL or FX model. It's built to fit a wide range of bikes, including many Softail and Dyna models from the mid-80s through 2006, as well as some Electra Glide and Road King variations. If your chain is worn out or you're doing a rebuild, this is a solid option to get your drivetrain running smoothly again.
Twin Power makes these chains with precision-ground side plates, which helps ensure smoother operation compared to some stock chains. They're designed to meet or exceed the original equipment specifications, giving you confidence in their performance and durability for everyday riding. This chain replaces the Harley-Davidson part number 40007-36B, making it a straightforward swap for many applications.
Specifications
- Brand
- TwinPower
- Manufacturer Part #
- 591201
- UPC
- 887337239910
Frequently Asked Questions
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Twin Power 36-86 FL FX 84-06 Softail 91-05 FXD Primary Chain Replaces H-D 40007-36B




