WISECO-PRO TRU PTS502A3 SBC Domed Piston and Ring Set, 4.030 in Bore, +8 cc

Upgrade your Small Block Chevy engine with the WISECO-PRO TRU PTS502A3 domed piston and ring set. Designed for performance-focused builds, this forged piston kit features a 23-degree dome profile and a 4.030-inch bore application. The dome design provides a positive 8.00 cc volume contribution while supporting efficient combustion chamber matching and compression planning.
The WISECO-PRO TRU PTS502A3 set includes piston rings configured with 1/16-inch, 1/16-inch, and 3/16-inch ring grooves. This arrangement supports dependable sealing, controlled oil management, and consistent performance when properly installed with compatible Small Block Chevy components. The forged construction is suited to demanding street, strip, and competition engine applications where strength and durability are important.
This piston and ring kit uses a 1.560-inch compression height and is intended for builders who need a precise replacement or performance upgrade for a compatible SBC combination. Verify crankshaft stroke, connecting rod length, deck height, cylinder head chamber volume, piston-to-valve clearance, and final compression ratio before installation. Professional engine assembly practices, correct ring fitting, and manufacturer-recommended clearances are essential for reliable results.
Choose the WISECO-PRO TRU PTS502A3 piston set for a purpose-built Small Block Chevy engine with forged durability, a domed crown, and application-specific ring groove sizing. The kit is supplied for compatible 4.030-inch bore builds and does not include unrelated engine components or installation hardware.

Features:

• Forged construction for demanding Small Block Chevy performance applications

• 23-degree dome piston profile

• 4.030-inch bore application

• 1.560-inch compression height

• 1/16-inch, 1/16-inch, and 3/16-inch ring grooves

• +8.00 cc dome volume

• Designed for compatible Small Block Chevy engine builds

• Piston and ring set configuration