5150 AutoSport Head Gasket & Head Stud Kit, BMW S14

  MLS Head Gasket: This Cometic MLS Head Gasket is specifically engineered to replace BMW part # 11121316714 for the BMW S14 B20, S14B23, S14B25, S14B27 engines found in the E30 M3 engines. 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 S14B factory head gasket specifications are 93.4mm Bore with a thickness of 0.070 inches. 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 are durable and corrosion-resistant. Ideal for high-performance engines, MLS head gaskets offer superior sealing and can withstand high levels of heat and pressure. When choosing an MLS gasket for your BMW, ensure compatibility, th