Sportsman Racing Products 138101 SBC Flat Top Forged Piston Set, 4.165 in Bore, -5 cc, Set of 8

Upgrade your Small Block Chevy engine with the Sportsman Racing Products 138101 forged flat top piston set. Designed for performance-focused applications, this set includes eight pistons with a 4.165-inch bore and a 1.125-inch compression height. The flat top design and -5 cc volume support precise compression planning for custom engine builds and rebuilds.
The 138101 pistons feature 1/16-inch, 1/16-inch, and 3/16-inch ring grooves, providing compatibility with commonly used performance piston ring configurations. Forged construction delivers the strength and durability needed for demanding high-performance environments, while the application-specific design helps ensure dependable fitment in Small Block Chevy builds.
This Sportsman Racing Products piston set is intended for builders seeking a reliable forged piston solution for a 400-based Small Block Chevy combination. Verify bore size, compression height, ring specifications, piston-to-wall clearance, and complete engine compatibility before installation. Rings, wrist pins, and other supporting components may require separate selection based on the final build specifications.

Features:

• Brand: Sportsman Racing Products

• Part Number: 138101

• Application: Small Block Chevy

• Piston Type: Forged flat top

• Bore Size: 4.165 inches

• Compression Height: 1.125 inches

• Piston Volume: Minus 5 cc

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

• Quantity: Set of 8