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Twin Power 70-E79 FL FX 71-79 XL Advance Unit Screw Replaces H-D 3570
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TwinPower
Twin Power 70-E79 FL FX 71-79 XL Advance Unit Screw Replaces H-D 3570
$19.99
$17.99
SKU:
twp492670
UPC:
887337165721
Condition:
New
Weight:
0.00 Ounces
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.
- Direct OEM replacement ensures stable advance mechanism operation during distributor service
- High-quality steel construction resists vibration and wear in Shovelhead-era engines
- Essential hardware for complete ignition rebuilds or points conversions
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