MAHLE PISTONS 929907180 MAHLE PISTONS BBC Dome PowerPak Piston Set with 4.280-Inch Bore and +18cc Displacement

The MAHLE PISTONS BBC Dome PowerPak Piston Set is engineered for high-performance Big Block Chevy engines, delivering reliable power and durability. This forged piston set features a 4.280-inch bore diameter, making it suitable for serious engine builds. The dome-shaped design enhances compression ratios, optimizing combustion efficiency for improved horsepower and torque. With a compression height of 1.270 inches, these pistons are designed to fit precisely within your engine's specifications. The set includes rings with 1.5 mm, 1.5 mm, and 3.0 mm grooves, ensuring proper sealing and longevity under demanding conditions. The minus 18.00 cc dome volume provides a balanced compression ratio, ideal for performance applications and custom engine tuning.

Features:

• Forged construction for strength and durability under high stress

• Dome shape enhances compression and power output

• 4.280-inch bore diameter for Big Block Chevy applications

• Compression height of 1.270 inches for precise fitment

• Ring grooves: 1.5 mm, 1.5 mm, and 3.0 mm for optimal sealing

• Minus 18.00 cc dome volume for customized compression ratios

• Suitable for high-performance and racing engines