
| SKU | TWP492795 |
| MPN | 492795 |
| GTIN | 887337171319 |
| Certifications | None |
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1977-1979 | Harley Davidson | XLCH | Base |
| 1977-1978 | Harley Davidson | XLCR Cafe Racer | Base |
| 1986-1987 | Harley Davidson | XLH1100 | Base |
| 1988-1990 | Harley Davidson | XLH1200 | Base |
| 1986-1990 | Harley Davidson | XLH883 | Base |
| 1987-1990 | Harley Davidson | XLH883HUG Sportster 883 Hugger | Base |
| 1978-1985 | Harley Davidson | XLS Roadster | Base |
| 1977-1978 | Harley Davidson | XLT | Base |
The Twin Power 77-90 XL Primary Chain Adjuster Kit is designed as a direct lining replacement for Harley Davidson part number 39966 80, ensuring seamless compatibility with your drivetrain setup. Crafted to enhance the durability and performance of your motorcycle’s primary chain system, this kit provides reliable tension adjustment to optimize chain alignment and extend component life.
Manufactured by TwinPower, a trusted name in precision drivetrain components, this adjuster kit is engineered for enthusiasts who demand quality and longevity in their ride's performance parts. Easy to install and built to withstand the rigors of spirited riding, it keeps your chain running smoothly and safely.
Whether you are upgrading or maintaining your classic or custom motorcycle, the Twin Power 77 90 XL Primary Chain Adjuster Lining offers a cost effective and high quality solution that meets the demands of V8 engine tuning and hot rod customization. Its precise fitment replaces the original part flawlessly, making it a perfect choice for riders across Europe and beyond seeking dependable drivetrain components.
Manufactured by TwinPower, a trusted name in precision drivetrain components, this adjuster kit is engineered for enthusiasts who demand quality and longevity in their ride's performance parts. Easy to install and built to withstand the rigors of spirited riding, it keeps your chain running smoothly and safely.
Whether you are upgrading or maintaining your classic or custom motorcycle, the Twin Power 77 90 XL Primary Chain Adjuster Lining offers a cost effective and high quality solution that meets the demands of V8 engine tuning and hot rod customization. Its precise fitment replaces the original part flawlessly, making it a perfect choice for riders across Europe and beyond seeking dependable drivetrain components.
Customer reviews
Based on 160 reviews
Netherlands owned and operated
We want to deliver parts fast, efficiently, and with ease. Our mission is to continue to provide just that. To provide large inventory and efficient logistics while maintaining great service. As well as a community with like-minded auto enthusiasts that share the same passion as we do.

















