5150 AutoSport Head Gasket & Head Stud Kit, BMW M50/M52/S50/S52

MLS Head Gasket: This Cometic MLS Head Gasket is specifically engineered to replace BMW part # 11121726619, 1112172622, and 11121405106 for the M50, M52, S50, S52 iron block U.S model versions of the inline 6-cylinder engines found in E34/E36 chassis.  Multi-Layer Steel also known as "MLS" head gaskets are preferred as an aftermarket alternative for high-performance BMW engines, including supercharged and turbocharged models, as they offer better performance than factory gaskets. The M50 and M52 engines have a stock bore of 84 mm and a thickness of 0.070 inches for their head gaskets, while the S50 engine boasts a stock bore of 86 mm 0.070" thickness and the S52 engine has a slightly larger bore of 86.4 mm with 0.070" thickness as well.  MLS Gaskets provide maximum sealing performance for high-output engines, without the need for sealants. These gaskets resist shearing forces and reduce bore distortion with their embossing design. Comprised of multiple layers of stainless steel, they