WISECO-PRO TRU PTS502A4 SBC Domed Forged Piston and Ring Set, 4.040 in Bore

Upgrade your Small Block Chevy engine with the WISECO-PRO TRU PTS502A4 piston and ring set. This kit features forged pistons with a 23-degree dome profile designed for performance-focused engine builds requiring durable components and consistent combustion chamber fitment. The domed design provides a listed plus 8.00 cc volume and supports applications where increased compression is desired.
The PTS502A4 set is engineered for a 4.040 in bore and uses a 1.560 in compression height. Each piston is designed with 1/16 in, 1/16 in, and 3/16 in ring grooves for compatibility with the included piston rings and proper oil control. The forged construction offers dependable strength for demanding street, racing, and competition-oriented Small Block Chevy applications.
This complete kit combines pistons and rings for a convenient installation solution when refreshing or upgrading an engine. The 23-degree dome configuration, forged construction, and application-specific specifications make the WISECO-PRO TRU PTS502A4 a practical choice for builders seeking a matched piston and ring package. Verify bore, compression height, dome volume, ring groove configuration, and engine compatibility before installation.

Features:

• Brand: WISECO-PRO TRU

• Part Number: PTS502A4

• Application: Small Block Chevy

• Piston Style: Forged domed piston

• Dome Angle: 23 degrees

• Bore Size: 4.040 in

• Compression Height: 1.560 in

• Ring Grooves: 1/16 in, 1/16 in, and 3/16 in

• Dome Volume: Plus 8.00 cc

• Included Components: Pistons and piston rings