Sportsman Racing Products 142979 Big Block Chevy Flat-Top Forged Pistons, 4.280-Inch Bore, -3cc, Set of 8

Upgrade your Big Block Chevy engine with the Sportsman Racing Products 142979 flat-top forged piston set. Designed for performance-focused applications, this set includes eight pistons engineered for a 4.280-inch cylinder bore and a 1.270-inch compression height. The flat-top design and -3.00 cc volume support precise compression-ratio planning when matched with the appropriate cylinder heads, gasket thickness, and combustion chamber specifications.
The 142979 pistons feature 1/16-inch, 1/16-inch, and 3/16-inch ring grooves for compatible piston ring installation and dependable oil control. Forged construction provides a strong foundation for high-performance Big Block Chevy builds, while the consistent piston set helps support balanced engine assembly and reliable operation. Verify bore size, compression height, ring dimensions, piston-to-wall clearance, and other application requirements before installation.
This Sportsman Racing Products piston set is intended for Big Block Chevy engines and is supplied as a complete set of eight. Professional engine assembly is recommended to confirm clearances, ring end gaps, compression ratio, and compatibility with the crankshaft, connecting rods, cylinder heads, and intended operating conditions. Use the part number 142979 when confirming fitment and ordering replacement components.

Features:

• Brand: Sportsman Racing Products

• Part Number: 142979

• Application: Big Block Chevy

• Design: Flat-top forged piston

• Set Quantity: Eight pistons

• Bore Size: 4.280 inches

• Compression Height: 1.270 inches

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

• Piston Volume: -3.00 cc