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 Chevrolet engines. This forged piston set features a 4.280-inch bore, providing durability and strength for demanding applications. The dome shape enhances combustion efficiency, while the 1.270-inch compression height ensures optimal piston-to-head clearance. With ring grooves measuring 1.5 x 1.5 x 3.0 mm, these pistons are designed for precise sealing and reduced blow-by. The set offers a minus 18.00 cc dish volume, contributing to increased compression ratios suitable for performance builds. Crafted from high-quality forged materials, these pistons deliver reliability and longevity in racing or street performance environments.

Features:

• Forged construction for strength and durability

• Dome shape designed for improved combustion efficiency

• 4.280-inch bore diameter compatible with Big Block Chevrolet engines

• 1.270-inch compression height for optimal piston-to-head clearance

• Ring grooves: 1.5 x 1.5 x 3.0 mm for effective sealing

• Minus 18.00 cc dish volume for increased compression

• Engineered for high-performance applications

• Compatible with non-air restricted setups

• Suitable for street and racing engine builds