Wiseco · New
Wiseco 4.065in Black Anodized Piston Ring Compressor Sleeve
MPN RCS40650 · Store SKU wisRCS40650
Supplier stock checked 11/7/2026, 12:49:18 PM 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 ring compressor sleeves are forged in-house in the USA and are a precision solution to assist in your high-performance engine build. Ring Compressor Sleeve - 4.065 in. Bore Ring Compressor Sleeve 4.065 in Bore
Manufacturer fitment & guides
Check RCS40650 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y