Sportsman Racing Products 212156 Forged BBC Small Dome Piston Set, 4.280-Inch Bore, +18 cc, Big Block Chevy

Upgrade your Big Block Chevy engine with the Sportsman Racing Products 212156 forged piston set. Designed for performance applications, this set features a small dome profile with a positive 18 cc dome volume to support compression and combustion requirements. The pistons are engineered for a 4.280-inch bore and include a 1.270-inch compression height for compatibility with properly matched BBC engine combinations.
The forged construction provides strength and durability for demanding street, strip, and racing environments. A precision-machined design helps promote consistent fitment and reliable operation when used with the correct connecting rods, crankshaft, cylinder head configuration, and engine clearances. This set includes eight pistons for a complete Big Block Chevy cylinder arrangement.
Each Sportsman Racing Products 212156 piston is configured with 1/16-inch, 1/16-inch, and 3/16-inch ring grooves. Rings are not specified as included, so verify ring selection, piston-to-wall clearance, compression ratio, valve relief and dome compatibility before assembly. Professional engine machining and measurement are recommended to ensure proper installation and performance.
Built for enthusiasts and engine builders seeking dependable forged components, this BBC domed piston set combines a performance-oriented dome profile with application-specific sizing. Confirm your engine specifications and piston requirements before ordering to ensure the set is appropriate for your Big Block Chevy build.

Features:

• Brand: Sportsman Racing Products

• Part Number: 212156

• Application: Big Block Chevy

• Construction: Forged piston design

• Profile: Small dome

• Bore: Fits a 4.280-inch cylinder bore

• Compression Height: 1.270 inches

• Dome Volume: Positive 18 cc

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

• Quantity: Set of 8 pistons