S&S Cycle · New
S&S Cycle 99-06 BT Stock Bore Crankcase Assembly
MPN 31-0172A · Store SKU ssc31-0172A
Supplier stock checked 11/8/2026, 7:41:17 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
Build your engine on a strong, dependable foundation with the S&S Cycle Black Stock Bore Alternator Crankcase Assembly. Engineered for lasting durability and precise fitment, this crankcase delivers a reliable core for your motorcycle's engine components. Finished in sleek black, it not only performs but also adds a bold, custom look - ideal for both restorations and custom builds.
Manufacturer fitment & guides
Check 31-0172A 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.
More from S&S Cycle ↗See the JuiceBuilt workshop ↗