Sportsman Racing Products 212133 BBC Forged Domed Piston Set, 4.280-Inch Bore, +30cc, Big Block Chevy

Upgrade your Big Block Chevy engine with the Sportsman Racing Products 212133 forged domed piston set. Designed for performance applications, these pistons feature a small dome profile and a 4.280-inch bore size with a 1.765-inch compression height. The domed design helps support increased compression potential while providing a durable foundation for high-performance engine builds.
The piston set includes eight forged pistons engineered for Big Block Chevy applications. Each piston uses 1/16-inch, 1/16-inch, and 3/16-inch ring grooves, supporting compatible performance ring packages and consistent sealing when properly matched to the engine combination. The +30cc dome volume allows builders to account for piston crown volume during compression-ratio calculations and cylinder-head selection.
Built for racers, engine builders, and performance enthusiasts, the Sportsman Racing Products 212133 piston set combines forged construction with application-specific geometry. Verify bore size, compression height, dome volume, ring specifications, piston-to-wall clearance, and complete rotating assembly compatibility before installation. This set is supplied as eight pistons for a Big Block Chevy engine build.

Features:

• Brand: Sportsman Racing Products

• Part Number: 212133

• Application: Big Block Chevy

• Construction: Forged aluminum

• Piston Profile: Small dome

• Bore Size: 4.280 inches

• Compression Height: 1.765 inches

• Dome Volume: Plus 30cc

• Ring Grooves: 1/16-inch, 1/16-inch, and 3/16-inch

• Quantity: Set of 8