BMW N55 Pro-Xtreme Forged Piston Set Compression Ratio:9.5:1 - Large images on unit

- Large images on unit guide easy 4-step activation process

enabling engines to thrive at high RPMs without compromising safety

Precision-machined billet chromoly steel flywheel

this 'A' Loom features a Link ‘A’ ECU connector on one end and color-coded

and extend lifespan without the need to send your transmission in

BMW N55 Pro-Xtreme Forged Piston Set Compression Ratio:9.5:1 - Large images on unit5150 AutoSport Pro Xtreme Forged Pistons for BMW N55 Engines Built for Extreme Power and Precision The 5150 AutoSport Pro Xtreme Forged Pistons, manufactured by CP Carrillo, are designed to meet the extreme demands of high performance BMW N55 engines. Made from high strength, aircraft grade aluminum, these pistons deliver the durability required for turbocharged, supercharged, and naturally aspirated applications. Engineered for 2000 horsepower builds