S&S Cycle · New
S&S Cycle 66-84 BT 3-1/2in Bore 5.330in Cylinder Set
MPN 91-9021 · Store SKU ssc91-9021
Supplier stock checked 11/8/2026, 5:47:40 AM UTC. Adding a part does not reserve it.
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 3-1/2" bore gloss black cylinder set is for 1966-'84 80" big twins and stock bore strokers. They are 5.330" in length and are made from high strength engineering-grade grey cast iron. They offer excellent wear resistance and a durable powdercoat finish. 80"
Manufacturer fitment & guides
Check 91-9021 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.