CP Forged Piston Set, BMW S50 Pro-Xtreme B58C Ensure engine block and cylinder

Ensure engine block and cylinder head surfaces are clean

They will NOT fit 130 mm Rod Engines

designed as a comprehensive solution for replacing factory rod bearing shells (Part #11217841609

- Effectively eliminates torsional crankshaft vibrations

CP Forged Piston Set, BMW S50 Pro-Xtreme B58C Ensure engine block and cylinder5150 AutoSport Pro Xtreme Forged Pistons by CP Carrillo for BMW S50 U. S Engines Designed for E36 M3 owners seeking serious performance upgrades, the 5150 AutoSport Pro Xtreme Forged Pistons are built to handle the extreme demands of high horsepower S50 engines. Made by CP Carrillo, these pistons utilize aircraft grade steel, providing exceptional durability and strength for turbocharged, drag racing, or street strip applications. Unmatched