Sportsman Racing Products 212135 Forged BBC Small Dome Piston Set, 4.280 in Bore, +23 cc, Big Block Chevy

Upgrade your Big Block Chevy engine with the Sportsman Racing Products 212135 forged piston set. Designed with a small dome profile and a positive 23 cc dome volume, these pistons support performance-focused engine builds requiring dependable forged construction and precise fitment. The set includes eight pistons for a complete V8 application.
The 4.280 in bore specification is suited for compatible Big Block Chevy blocks and overbore configurations. Each piston features a 1.645 in compression height and 1/16 in, 1/16 in, and 3/16 in ring grooves for use with matching piston rings. Verify bore size, compression height, deck height, connecting rod length, crankshaft stroke, chamber volume, and ring compatibility before installation to ensure proper engine assembly and desired compression ratio.
Sportsman Racing Products part number 212135 is manufactured for builders seeking a durable forged piston solution for high-performance Big Block Chevy applications. The domed design helps accommodate engine combinations where additional compression support is required, while the matched set-of-eight configuration simplifies installation across the complete cylinder bank. Professional engine machining and assembly practices are recommended for accurate clearances, ring seating, and long-term performance.

Features:

• Brand: Sportsman Racing Products

• Part Number: 212135

• Application: Big Block Chevy V8 engines

• Construction: Forged aluminum piston design

• Profile: Small dome profile

• Bore: 4.280 in

• Compression Height: 1.645 in

• Dome Volume: Plus 23 cc

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

• Quantity: Set of 8 pistons