Sportsman Racing Products 138085 SBC Flat Top Forged Piston Set, 4.030 in Bore, Set of 8

Upgrade your small block Chevy engine with the Sportsman Racing Products Part Number 138085 forged flat top piston set. Designed for 350 applications, this set of eight pistons provides a durable, performance-oriented foundation for engine builds requiring reliable reciprocating components and consistent fitment. The flat top design supports straightforward engine configuration and is well suited to a variety of naturally aspirated small block Chevy applications.
The pistons feature a 4.030-inch bore size and a 1.260-inch compression height for compatibility with appropriately matched engine components. A minus 5.00 cc volume helps builders account for piston dish and compression calculations during engine assembly. The forged construction is engineered to withstand the demanding conditions associated with performance street, race, and replacement applications when used within the specifications of the complete engine combination.
Each piston is machined with 1/16-inch, 1/16-inch, and 3/16-inch ring grooves to accept compatible piston rings. Verify bore size, compression height, ring selection, deck clearance, valve relief requirements, and all other internal engine specifications before installation. This Sportsman Racing Products 138085 set includes eight pistons, making it a practical choice for rebuilding or assembling a complete small block Chevy V8.

Features:

• Brand: Sportsman Racing Products

• Part Number: 138085

• Application: Small block Chevy 350 engine

• Piston Style: Flat top

• Construction: Forged

• Bore Size: 4.030 inches

• Compression Height: 1.260 inches

• Piston Volume: Minus 5.00 cc

• Ring Grooves: 1/16 x 1/16 x 3/16 inches

• Quantity: Set of 8