Sportsman Racing Products 139533 BBC High-Compression Domed Piston Set

Sportsman Racing Products part number 139533 is a set of eight forged, high-compression dome pistons designed for Big Block Chevy applications. The pistons feature a 4.350-inch bore and a 1.645-inch compression height, providing key specifications for engine builders selecting components for a compatible high-performance configuration.

Each piston uses a domed crown design with a listed positive 48.00 cc volume. The ring grooves are sized for 1/16-inch, 1/16-inch, and 3/16-inch rings. This piston set is supplied as a matched group of eight for applications requiring a complete Big Block Chevy piston set.

Review the engine build requirements and confirm bore, compression height, ring groove sizing, dome volume, and application compatibility before installation. Sportsman Racing Products 139533 is intended for builders who need forged domed pistons with the stated specifications for a Big Block Chevy engine.

Features:

• Brand: Sportsman Racing Products
• Part Number: 139533
• Application: Big Block Chevy
• Construction: Forged
• Piston Style: High-compression dome
• Bore: 4.350 inches
• Compression Height: 1.645 inches
• Dome Volume: Plus 48.00 cc
• Ring Grooves: 1/16 x 1/16 x 3/16 inches
• Quantity: Set of 8