Why Choose 5150 AutoSport Pro-Xtreme Pistons for BMW S63

Upgrade the performance of your BMW S65 engine with the ARP Head Stud Kit

offering enhanced durability and improved engine efficiency

This B58 Gen 2 Head Gasket is specifically engineered to replace OEM part # 11115WAA04 and # 11127934495

B | BMW B58 Gen1

Cometic Multi-layer Steel Head Gasket, BMW M40/M42/M43/M44 Bore Size - Thickness:87 mm - 0.070" Why Choose 5150 AutoSport Pro-XtremeThis Cometic MLS Head Gasket is designed to replace BMW part numbers 11121721546, 11121721547, 11121721550, and 11121721551, specifically for the M40B16, M40B18, M42B18, and M44B19 engines. Cometic MLS Gaskets are composed of multiple layers of stainless steel, the number of layers used varying by application. These layers consist of both proprietary, high temperature coated and uncoated stainless steel. Additional layers increase active seal height