and reliability for serious performance enthusiasts

these connecting rods guarantee optimal performance and reliability at 9500 RPM

E65 / E66 730i

Supertech's innovative approach also incorporates sophisticated software to control harmonics

thoroughly clean all threads in the engine block

Cometic Multi-layer Steel Head Gasket Set, BMW S65 C14133-044 and reliability for serious performanceThis Cometic MLS Head Gasket is designed to replace BMW part 11127841560 for the S65 V8 engine. 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 and can be used to fine tune compression. The specialized coating used on Cometic Gaskets