Sportsman Racing Products 142985 BBC Flat Top Forged Piston Set, 4.530 in Bore, -3 cc

Upgrade your Big Block Chevy engine with the Sportsman Racing Products 142985 flat top forged piston set. Designed for performance-focused engine builds, this set of eight pistons features a 4.530-inch bore specification and a 1.270-inch compression height for dependable fitment in compatible BBC applications. The flat top design supports efficient combustion chamber configuration and provides a practical foundation for naturally aspirated and custom performance combinations.
The forged construction delivers the strength and durability needed for demanding engine operation, while the listed minus 3.00 cc volume helps builders calculate compression characteristics during engine assembly. Each piston is designed with 1/16-inch, 1/16-inch, and 3/16-inch ring grooves, allowing compatibility with appropriately matched ring packages. Verify bore, compression height, ring selection, deck height, and connecting rod specifications before installation.
This Sportsman Racing Products piston set is supplied as a complete set of eight for Big Block Chevy applications. It is a suitable choice for engine builders seeking reliable forged pistons with a flat top profile and clearly defined specifications. Professional installation and precise measurement are recommended to confirm piston-to-wall clearance, piston-to-valve clearance, ring end gap, and overall assembly compatibility.

Features:

• Brand: Sportsman Racing Products

• Part Number: 142985

• Application: Big Block Chevy

• Design: Flat top forged piston

• Bore: 4.530 inches

• Compression Height: 1.270 inches

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

• Piston Volume: Minus 3.00 cc

• Quantity: Set of 8