Wiseco · New
Wiseco Chevy LS 4.085in Bore 1.165in CH -9.00 CC Piston Set
MPN K0421X85 · Store SKU wisK0421X85
Supplier stock checked 11/7/2026, 6:00:02 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
Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco's Professional Series. Wiseco Chevrolet LS Piston Set, 4.085 in. Bore, 1.165 in. Compression Height, 0.927 in. Pin Diameter, Professional, Set of 8. Piston Set, Chevrolet, LS, 4.085 in. Bore, Professional, Set of 8
Manufacturer fitment & guides
Check K0421X85 against the manufacturer’s application information below.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y