Sportsman Racing Products 212142 Big Block Chevy Forged Dome Pistons, 4.280 in Bore, +26 cc, Set of 8

Upgrade your Big Block Chevy engine with the Sportsman Racing Products 212142 forged piston set. Designed with a small dome profile, these pistons provide a durable and performance-focused solution for high-performance engine builds requiring a 4.280-inch bore and 1.395-inch compression height. The domed design and positive 26.00 cc volume support customized compression and combustion-chamber configurations.
The forged construction is engineered to withstand the demanding conditions associated with performance and competition applications. Each piston is manufactured for Big Block Chevy compatibility and supplied as a complete set of eight, making this set suitable for complete engine rebuilds or matched piston replacements. The piston design helps provide consistent operation when paired with properly selected rings, rods, bearings, and other engine components.
The Sportsman Racing Products 212142 pistons feature 1/16-inch, 1/16-inch, and 3/16-inch ring grooves for compatible ring package selection. Verify bore size, compression height, dome volume, ring specifications, deck clearance, valve relief requirements, and complete engine compatibility before installation. Professional installation and precise measurement are recommended to achieve the intended fit, compression ratio, and performance results.

Features:

• Brand: Sportsman Racing Products

• Part Number: 212142

• Application: Big Block Chevy

• Construction: Forged piston design

• Piston Profile: Small dome

• Bore Size: 4.280 inches

• Compression Height: 1.395 inches

• Dome Volume: Positive 26.00 cc

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

• Quantity: Set of 8