CAT Cams provides a wide selection of camshaft grinds designed to optimize your BMW M30 engine for any driving style

When it comes to choosing the right brand for replacement main bearings

the ARP #201-4605 head studs are a great choice for BMW S14 engine builds and can provide increased reliability and performance

Made from Superclean Chrome Silicon Vanadium Steel alloy

1998-2000     E46     320i / 320Ci

ARP Head Stud Kit, BMW S65 F13 LCI CAT Cams provides a wideUpgrade the performance of your BMW S65 engine with the ARP Head Stud Kit. This high performance head stud kit is designed to replace the factory head bolts BMW# 11127838831 and ensure your engine can withstand the extreme conditions of high performance driving. Manufactured by ARP, a leader in fastener technology for high performance engines, the ARP Head Stud Kit 201 4307 features a tensile strength of 200,000 psi. This ensures that the studs can