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