Wiseco · New
Wiseco Chevrolet Pro Tru Street FT 4.040in Bore 1.560in CH - 7cc
MPN 5503A4 · Store SKU wis5503A4
Supplier stock checked 11/7/2026, 12:06:33 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
Our Pro Tru Street series pistons are forged from 4032 alloy aluminum in Mentor, Ohio and includes rings, pins, and clips for an all-inclusive rebuild. For any build budget, Wiseco has the piston to get you on the road or down the track. Wiseco Chevrolet Small Block Piston, 4.040 in. Bore, 1.560 in. Compression Height, 0.927 in. Pin Diameter, Pro Tru Street, Set of 1. Piston, Chevrolet, Small Block, 4.040 in. Bore, Pro Tru Street, Set of 1
Manufacturer fitment & guides
Check 5503A4 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