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

TwinPower · New

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

MPN 492670 · Store SKU twp492670

$2.99
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Supplier stock checked 11/7/2026, 1:59:46 PM UTC. Adding a part does not reserve it.

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Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.

Product details

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. Advance Unit Timer Screw

Manufacturer fitment & guides

Check 492670 against the manufacturer’s application information below.

A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.

Part-specific notes

  • Not CARB approved. Destination and intended-use restrictions must be checked before sale.
  • Emissions acknowledgement required before purchase.
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