Free shipping on eligible orders of $100 or more. Oversized and freight items excluded.

Shop parts / S&S Cycle / New

S&S Cycle 70-84 BT 5in Stroke Small Diameter Flywheel Assembly For S&S SH103 Engine

S&S Cycle · New

S&S Cycle 70-84 BT 5in Stroke Small Diameter Flywheel Assembly For S&S SH103 Engine

MPN 32-2990 · Store SKU ssc32-2990

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

Supplier stock checked 11/7/2026, 4:07:57 PM UTC. Adding a part does not reserve it.

30-day returns for unopened, unused new parts

Request a return within 30 calendar days after delivery. New parts must be unopened and unused.

Shipping & returns ↗This policy does not limit rights required by law.

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 5" stroke 8-1/4" diameter flywheel assembly replaces the original flywheels in S&S® 103" SH103 engines for 1970-'84 HD big twins. Balanced to S&S® 3-5/8" bore pistons.

Manufacturer fitment & guides

Check 32-2990 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.
More from S&S Cycle ↗See the JuiceBuilt workshop ↗

YOUR NEXT MOVE

Your cart.