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Wiseco Chevy Small Block Pro Tru Street 4.165in Bore Piston Kit

Wiseco · New

Wiseco Chevy Small Block Pro Tru Street 4.165in Bore Piston Kit

MPN PTS525A4 · Store SKU wisPTS525A4

$686.99
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Supplier stock checked 11/7/2026, 10:00:22 PM UTC. Adding a part does not reserve it.

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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 Set, 4.165 in. Bore, 1.125 in. Compression Height, 0.927 in. Pin Diameter, Pro Tru Street, Set of 8. Piston Set, Chevrolet, Small Block, 4.165 in. Bore, Pro Tru Street, Set of 8

Manufacturer fitment & guides

Check PTS525A4 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
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