ARP Main Stud Kit for BMW B58 engine. These bolts are ultra-high grade fasteners that reinforce your engine against failure due to high boost and power. A true must for all fast road, track and racecars.

Set includes ARP head stud and nut set and ARP assembly lube. The main line must be measured and may require honing after fitting.

Fits all BMW B58 engines including A90 Toyota Supra.

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.