Sportsman Racing Products 138734 Forged Flat Top Pistons for Small Block Ford, 4.030-Inch Bore, -5cc, Set of 8

Upgrade your Small Block Ford engine with the Sportsman Racing Products 138734 forged flat top piston set. Designed for performance-focused applications, these pistons feature a 4.030-inch bore size and a 1.600-inch compression height for dependable fitment in compatible Windsor-based engine builds. The flat top design provides a -5.00 cc volume and supports precise compression planning when paired with the appropriate cylinder heads, gasket thickness, and combustion chamber specifications.
Manufactured from forged material, each piston is built to withstand the demands of high-performance engine operation while delivering consistent strength and durability. The 1/16-inch, 1/16-inch, and 3/16-inch ring grooves accommodate compatible piston ring packages for effective oil control and combustion sealing. This set includes eight pistons, making it a practical choice for a complete V8 engine rebuild or performance upgrade.
The Sportsman Racing Products 138734 piston set is intended for Small Block Ford applications using a compatible 4.030-inch bore. Verify piston-to-wall clearance, compression height, ring selection, valve relief requirements, and connecting rod compatibility before installation. Professional engine assembly practices and manufacturer-recommended clearances are advised to help ensure reliable performance and long service life.

Features:

• Brand: Sportsman Racing Products

• Part Number: 138734

• Application: Small Block Ford Windsor engines

• Construction: Forged piston material

• Piston Style: Flat top

• Bore Size: 4.030 inches

• Compression Height: 1.600 inches

• Piston Volume: -5.00 cc

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

• Quantity: Set of 8