MAHLE Pistons BBF PowerPak Piston Set 4.390 Inch Bore with Forged Dish Design for Big Block Ford Engines

The MAHLE Pistons BBF PowerPak Piston Set is engineered for high-performance Big Block Ford engines, featuring a forged construction that ensures durability and strength under demanding conditions. The pistons are designed with a dish shape to optimize combustion efficiency and reduce compression ratio, providing reliable power output. With a bore size of 4.390 inches and a compression height of 1.350 inches, this set offers precise fitment for performance applications. The pistons include three ring grooves measuring 1.5 mm, 1.5 mm, and 3.0 mm, facilitating effective sealing and oil control. The negative displacement of 38.0 cc contributes to a balanced power-to-compression ratio, making these pistons suitable for custom builds and high-performance rebuilds of Big Block Ford engines.

Features:

• Forged construction for enhanced strength and durability

• Dish piston design for improved combustion efficiency

• Bore size: 4.390 inches for Big Block Ford engines

• Compression height: 1.350 inches

• Three ring grooves: 1.5 mm, 1.5 mm, and 3.0 mm

• Displacement: -38.0 cc for optimal compression ratio

• Set includes eight pistons for complete engine rebuild