Sportsman Racing Products 213457 Forged Flat-Top Pistons for Mopar RB 440 Big Block, 4.375-Inch Bore, Set of 8

Upgrade your Mopar RB-series 440 big block with the Sportsman Racing Products 213457 forged piston set. Designed for performance-oriented engine builds, these flat-top pistons feature a 4.375-inch bore and a 2.062-inch compression height for reliable fitment in compatible applications. The forged construction provides the strength and durability needed for high-performance use, while the flat-top design supports consistent combustion chamber compatibility and compression planning.
The piston set includes eight pistons with a minus 6.00 cc volume, allowing builders to account for piston-top volume when calculating compression ratio. Each piston is machined with 1/16-inch, 1/16-inch, and 3/16-inch ring grooves to accommodate commonly used performance piston rings. This configuration is suited to Mopar RB-series 440 big block engine projects where dependable components and precise specifications are essential.
Sportsman Racing Products part number 213457 is intended for builders, engine machinists, and performance enthusiasts seeking a complete forged piston set for a compatible Mopar application. Verify cylinder bore, compression height, ring package, deck clearance, connecting rod configuration, and combustion chamber specifications before installation. Professional machining and assembly practices are recommended to achieve proper piston-to-wall clearance, ring fitment, and engine performance.

Features:

• Brand: Sportsman Racing Products

• Part Number: 213457

• Application: Mopar RB-series 440 big block wedge engines

• Construction: Forged aluminum

• Piston Style: Flat top

• Bore: 4.375 inches

• Compression Height: 2.062 inches

• Piston Volume: Minus 6.00 cc

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

• Quantity: Set of 8