Photo - Primary

Twin Power 70-E79 FL FX 71-79 XL Advance Unit Screw Replaces H-D 3570

Regular price$2.99
/

  • 30 Day Returns
  • Fast Shipping
  • Low stock - 1 item left
  • Backordered, shipping soon
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.

This Part Fits:

Year Make Model Submodel
1971-1979 Harley-Davidson FLH Electra Glide Base
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
1977-1978 Harley-Davidson XLCR Cafe Racer Base
1978-1979 Harley-Davidson XLS Roadster Base
1977-1978 Harley-Davidson XLT Base

Once your Steel Steeds gear leaves our warehouse, it typically arrives at your doorstep within 2–4 business days, unless otherwise noted. We partner with trusted shipping carriers to ensure your off-road essentials get to you fast and hassle-free. So gear up with confidence—your next big adventure is just around the corner!

We are committed to providing quality products and stand behind our items with a warranty. Exact coverage may vary, so please refer to our warranty page for more details!

This site is protected by hCaptcha and the hCaptcha Privacy Policy and Terms of Service apply.

FAQs

Absolutely! Shopify is certified Level 1 PCI DSS compliant. This compliance extends by default to all stores powered by Shopify. Including Us!

Once your Steel Steeds gear leaves our warehouse, it typically arrives at your doorstep within 2–5 business days, unless otherwise noted. We partner with trusted shipping carriers to ensure your off-road essentials get to you fast and hassle-free. So gear up with confidence—your next big adventure is just around the corner!

Absolutely! Nearly every item we carry comes with a warranty tailored to that specific product. We stand behind the quality of the products we distribute and want you to ride with confidence. For full details, visit our dedicated warranty page—and rest assured, we’ve got you covered every step of the way!