Sportsman Racing Products 138093 SBC Flat Top Forged Piston Set, 4.030 in Bore, -5 cc, Set of 8

The Sportsman Racing Products 138093 piston set is designed for Small Block Chevy applications requiring durable, performance-focused forged pistons. This set includes eight flat-top pistons with a 4.030 in bore and a 1.125 in compression height, making it a practical choice for engine builds where consistent fitment and reliable operation are essential.
The forged aluminum construction provides strength for demanding street, performance, and racing applications. Each piston features a flat-top crown with a -5.00 cc volume, supporting compression ratio calculations for custom engine combinations. The piston design is intended to work with compatible Small Block Chevy components and should be matched with the correct block, connecting rods, crankshaft, cylinder head, and ring package.
The 1/16 x 1/16 x 3/16 in ring grooves accommodate the corresponding piston ring configuration for dependable sealing and oil control when properly installed. Before assembly, verify bore preparation, piston-to-wall clearance, deck height, compression ratio, ring end gap, and all other manufacturer-recommended specifications. Professional engine-building practices and careful measurement are recommended to achieve the intended performance and service life.
Choose the Sportsman Racing Products 138093 forged flat-top piston set for a complete eight-piston solution for compatible Small Block Chevy builds. The set combines a performance-oriented crown design, forged construction, and clearly defined ring groove specifications for builders seeking a reliable foundation for a high-performance engine.

Features:

• Brand: Sportsman Racing Products

• Part Number: 138093

• Application: Small Block Chevy

• Piston Style: Flat top

• Construction: Forged aluminum

• Bore Size: 4.030 in

• Compression Height: 1.125 in

• Piston Volume: -5.00 cc

• Ring Grooves: 1/16 x 1/16 x 3/16 in

• Quantity: Set of 8