Twin Power 70-79 Big Twin 71-79 XL Advance Unit Replaces HD 32517-70T

SKU: TWP215533 UPC: 887337164441
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Regular price $43.65 USD
Ready to install and hit the road!

All parts come with the essentials you need for a smooth fit and clear instructions. From performance upgrades to custom styling, unbox and get your ride ready with confidence!

Twin Power™ advance unit precisely replaces H-D 32517-70T, restoring accurate ignition timing for 1970-1979 Big Twins and 1971-1979 XL Sportsters during critical distributor service.

  • Direct OEM replacement ensures smooth power delivery and prevents detonation issues
  • Includes timer screw, advance cam and mounting hardware for complete installation
  • Perfect for Shovelhead rebuilds and points-to-EVO ignition conversions

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
1970-1979 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