BMW N55/S55 ARP Head Stud Kit

• (14) 11mm ARP Head Studs

• (14) ARP Washers for 11mm Stud

• (14) ARP Nuts for 11mm Studs

Install tips: MUST Drill and Tap the (4) 9mm holes in the engine block to make them 11mm holes. This way all the engine block holes are 11mm, and fit ALL (14) 11mm Studs.

Torque Specs: All studs torque down through 3-equal steps to 90 ft lbs

*S55 option features:

• (14) 11mm ARP Head Studs

• (14) ARP Washers for 11mm Stud

• (14) ARP Nuts for 11mm Studs

Install Tips: Entirely Bolt-On kit, NO modification necessary, threads right up as factory stud replacement!