Custom ARP 1-2" Head Stud kit, fits all EJ and FA engines Oil Pumps Qty 1 Lock

Qty 1 Lock

5L 4AT Limited 2005

0 Bar (130

002 Larger OD (For Line Honed Blocks Etc)

They are guaranteed not to fail to the said rpm

Custom ARP 1-2" Head Stud kit, fits all EJ and FA engines Oil Pumps Qty 1 LockBenefits: 25% stronger than 625+ studs and 40% stronger than 11mm ARP 2000's reduced shank diameter (allows for no head gasket modifying) more thread engagement in block over 11mm studs uses stock alignment pins without modifying case or heads over 200ft lbs tested for stud "pull out" in block same kit price compared to 625+ kits (requires additional block and head machining to use) custom large diameter hardened washers to prevent embedding into head