Wiseco K0169X125 Professional Series Forged Dish Pistons, 4.125-Inch Bore, Small Block Ford, Set of 8

Upgrade your Small Block Ford engine with the Wiseco K0169X125 Professional Series forged dish pistons. Designed for performance-focused builds, this matched set of eight pistons features a 4.125-inch bore and a 1.280-inch compression height for reliable fitment in compatible applications. The forged construction provides the strength and durability needed for demanding street, strip, and competition use.
The dished crown is engineered with a nominal minus 25.00 cc volume to help support compression ratio tuning and combustion chamber compatibility. Each piston is configured with 1.2 mm, 1.2 mm, and 3.0 mm ring grooves, making it suitable for modern low-friction ring packages when paired with the correct rings and engine components. Verify compression height, deck clearance, valve relief requirements, and final compression ratio before installation.
Wiseco manufactures the K0169X125 piston set for builders who require consistent component quality and dependable performance across all eight cylinders. The Professional Series design is intended for compatible Small Block Ford applications and should be installed with matching rings, pins, connecting rods, and accurately prepared cylinders. Follow the manufacturer’s assembly procedures and recommended clearances for best results. This set is not air restricted and does not require truck freight.

Features:

• Brand: Wiseco

• Part Number: K0169X125

• Series: Professional Series

• Construction: Forged piston design

• Piston Style: Dish crown

• Bore Size: 4.125 inches

• Compression Height: 1.280 inches

• Dish Volume: Minus 25.00 cc

• Ring Grooves: 1.2 mm x 1.2 mm x 3.0 mm

• Application: Small Block Ford

• Quantity: Set of 8

• Air Restricted: No

• Truck Freight Only: No