Twin Power 70-E79 FL FX 71-79 XL Advance Unit Screw Replaces H-D 3570
SKU 492670
MPN twp492670
$2.99 · Out of stock

Twin Power 70-E79 FL FX 71-79 XL Advance Unit Screw Replaces H-D 3570
Twin Power™ advance unit screw precisely replaces H-D 3570, securing the timer assembly for accurate ignition timing on 1970-early 1979 FL/FX Big Twins and 1971-1979 XL Sportsters.
| Years | Make | Model | Submodel | Drive |
|---|---|---|---|---|
| 1974–1979 | Harley-Davidson | FXE Super Glide | Base | — |
| 1971–1979 | Harley-Davidson | XLCH | Base | — |
| 1979 | Harley-Davidson | FXEF Fat Bob | Base | — |
| 1977–1978 | Harley-Davidson | XLCR Cafe Racer | Base | — |
| 1971–1978 | Harley-Davidson | FX Super Glide | Base | — |
| 1978–1979 | Harley-Davidson | XLS Roadster | Base | — |
| 1977–1979 | Harley-Davidson | FXS Low Rider | Base | — |
| 1971–1979 | Harley-Davidson | FLH Electra Glide | Base | — |
| 1977–1978 | Harley-Davidson | XLT | Base | — |
| Category | Ignition |
|---|---|
| Sub-Category | Distributors |
| UPC | 887337165721 |
| CARB Approved | No |
| Weight | 0.03 lb |
| Dimensions (L×W×H) | 4 × 2 × 0.5 in |
Related
- All TwinPower parts
- Ignition
- Harley-Davidson FXE Super Glide parts
- Harley-Davidson XLCH parts
- Harley-Davidson FXEF Fat Bob parts
- Harley-Davidson XLCR Cafe Racer parts
- Harley-Davidson FX Super Glide parts
- Harley-Davidson XLS Roadster parts
- Harley-Davidson FXS Low Rider parts
- Harley-Davidson FLH Electra Glide parts
- Harley-Davidson XLT parts