CP Forged Piston Set, BMW S54 Pro-Xtreme Compression Ratio:12.5:1 we only sell you the

we only sell you the products that we have used and tested ourselves

Suitable for naturally aspirated and boosted engine setups

Outer Spring OD: 24

40mm Exhaust    Full Race  292° Intake / 270° Exhaust   11

CP Forged Piston Set, BMW S54 Pro-Xtreme Compression Ratio:12.5:1 we only sell you the5150 AutoSport Pro Xtreme Forged Pistons for BMW S54 Engines Built for Performance and Reliability The 5150 AutoSport Pro Xtreme Forged Pistons, made in collaboration with CP Carrillo, are engineered for extreme horsepower and high RPM BMW S54 applications. Designed specifically for BMW S54 engines with 139 mm rods, these pistons are constructed from high strength, aircraft grade aluminum to withstand the intense forces generated by high powered