
Images may differ
Some product images are generic and supplied by the manufacturer. Always check the product title, specifications and fitment information before ordering.
| SKU | TWP492670 |
| MPN | 492670 |
| GTIN | 887337165721 |
| Certifications | None |
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1971-1978 | Harley-Davidson | FX Super Glide | Base |
| 1974-1979 | Harley-Davidson | FXE Super Glide | Base |
| 1979 | Harley-Davidson | FXEF Fat Bob | Base |
| 1977-1979 | Harley-Davidson | FXS Low Rider | Base |
| 1971-1979 | Harley-Davidson | XLCH | Base |
| 1978-1979 | Harley-Davidson | XLS Roadster | Base |
| 1977-1978 | Harley-Davidson | XLT | Base |
Experience enhanced ignition performance with the Twin Power 70-E79 FL FX 71-79 XL Advance Unit Screw. This premium advance kit replaces the standard H-D 3570 component, ensuring reliable and precise timing adjustments for your vintage Harley Davidson XL models from 1971 to 1979.
Engineered by TwinPower, a trusted name in ignition parts, this advance unit screw offers a perfect fit and dependable operation. It's designed specifically for enthusiasts aiming to maintain or improve the performance of their classic bikes without compromise.
Whether restoring a project bike or upgrading for smoother rides, this advance kit provides consistent advance characteristics that help optimize your engine's power delivery. Installation is straightforward, making it accessible for both seasoned mechanics and hobbyists.
Trust Tuningsupply for genuine, high-quality ignition components that ship quickly across Europe without unexpected costs. Stay ahead in your restoration or custom build with this essential distributor upgrade from TwinPower.
Engineered by TwinPower, a trusted name in ignition parts, this advance unit screw offers a perfect fit and dependable operation. It's designed specifically for enthusiasts aiming to maintain or improve the performance of their classic bikes without compromise.
Whether restoring a project bike or upgrading for smoother rides, this advance kit provides consistent advance characteristics that help optimize your engine's power delivery. Installation is straightforward, making it accessible for both seasoned mechanics and hobbyists.
Trust Tuningsupply for genuine, high-quality ignition components that ship quickly across Europe without unexpected costs. Stay ahead in your restoration or custom build with this essential distributor upgrade from TwinPower.
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.

















