Wiseco · New
Wiseco Harley-Davidson 4-Stroke Ring Set
MPN 4125VM · Store SKU wis4125VM
Supplier stock checked 11/8/2026, 6:30:12 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
Wiseco 4-stroke piston ring sets are made specifically to Wiseco's specifications to provide ultimate performance and sealing with Wiseco's wide variety of 4-stroke pistons. From compression and sealing to oil control, rings can make or break piston performance, which is why Wiseco rings are developed and tested for race-ready performance. Wiseco, Piston Ring Set, 4 Cycle, 4.125 in. Bore Wiseco Piston Ring Set, 4 Cycle, 4.125 IN Bore
Manufacturer fitment & guides
Check 4125VM against the manufacturer’s application information below.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- California Proposition 65: Y