M20 2.7L Mahle Motorsport Piston Set

Developed in collaboration with Mahle Motorsport, this PowerPak piston set is engineered specifically for the BMW M20B27. Finally, a high-quality replacement piston available for the 325e — delivering OE-like reliability without the longevity trade-offs of a typical forged piston.

• 9:1 Compression Ratio
• 84.5mm Bore Size
• 130mm Connecting Rod Length
• 81mm Stroke
• Designed for 200 & 731 Cylinder Heads
• Mahle Motorsport M142 Alloy
• Phosphate Coated
• Grafal Anti-Friction Piston Skirt Coating
• High Strength Lightweight German Wrist Pins
• Race Proven Round Wire Wrist Pin Locks
• Low Drag Piston Ring Pack
• Lightweight Slipper Skirt Forgings

Mahle Motorsport's PowerPak kits include wrist pins, wrist pin clips, and piston rings engineered for motorsport and high-performance street applications. Backed by over 95 years of performance expertise and manufactured on Mahle's own machinery — make no compromises.