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S&S Cycle 84-99 BT 4-5/8in Stroke Flywheel Assembly

S&S Cycle · New

S&S Cycle 84-99 BT 4-5/8in Stroke Flywheel Assembly

MPN 320-0477 · Store SKU ssc320-0477

$1,595.95
CHECK AVAILABILITY0 in supplier warehouses. Ask JuiceBuilt about availability.

Supplier stock checked 11/8/2026, 7:27:17 AM 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

This 4-5/8" stroke 8-1/2" diameter flywheel assembly replaces the original flywheels in S&S® 124" V124 engines for 1984-99 HD® big twins. Flywheel assembly is three piece design. Pinion and sprocket shafts are forged as part of the flywheel. The only joints in the assembly are where the 1.671" diameter connecting rod crankpin is pressed into the flywheels.

Manufacturer fitment & guides

Check 320-0477 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.
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