Wiseco · New
Wiseco Pro Tru Street Chevy Big Block 4.135in Bore 1.760in CH 21.00 CC Piston Set
MPN PTS548A4 · Store SKU wisPTS548A4
Supplier stock checked 11/7/2026, 8:48:45 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
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 Big Block Piston Set, 4.135 in. Bore, 1.760 in. Compression Height, 0.990 in. Pin Diameter, Pro Tru Street, Set of 8. Piston Set, Chevrolet, Big Block, 4.135 in. Bore, Pro Tru Street, Set of 8
Manufacturer fitment & guides
Check PTS548A4 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