5150 AutoSport Pro-Xtreme Forged Pistons for BMW S55 Engines – Built for Extreme Power and Precision

Ferrea valve springs stand out as one of the best industry offerings

Custom tailored to your vehicle

What sets these bearings apart from OEM options is their thermal-resistant properties

and street/strip applications

5150 AutoSport Head Gasket & Head Stud Kit, BMW M20 SC7349 5150 AutoSport Pro-Xtreme Forged PistonsPerformance Head Gaskets & ARP Head Stud Kit for BMW M20 Engines Upgrade your BMW M20 engine with high performance head gaskets and ARP head studs designed for maximum reliability under extreme conditions. Cometic MLS Head Gasket The Cometic MLS (Multi Layer Steel) Head Gasket is a premium replacement for BMW part numbers 11121722734, 11121722735, 11121722737, and 11121722738, fitting M20B20, M20B23, M20B25, and M20B27 engines in BMW E12, E21, E28,