ARP main stud set for BMW S54 engine. These bolts are ultra-high grade fasteners that reinforce your engine against failure due to high RPM and/or forced induction applications. A true must for all fast road, track and racecars.

Set includes ARP main stud and nut set and ARP assembly lube. It is recommended that new and/or uprated main bearings are fitted in conjunction with these.

Applications:

E46 M3

Z3 M (S54)

Z4 M

Kit instructions here.

Please note that we cannot take opened packets of bearings, bolts or studs as a return – please double check that you have the right components before opening packages.