ARP 203-4706 Head Stud Kit CA 625+ for BMW B58 ymm_26 1/8 Allen Finish: Black

1/8 Allen Finish: Black

Riviera 1979-1985

The additional copper coating of the nut assures security

providing sharper throttle reaction and improved engine responsiveness in practical driving conditions

Cherokee 1987-2001

ARP 203-4706 Head Stud Kit CA 625+ for BMW B58 ymm_26 1/8 Allen Finish: BlackAs you increase the power output of your engine beyond its factory specifications, the head and block may start to separate, causing factory bolts to stretch and fail. ARP Head Studs are stronger than factory bolts, ensuring your race engine stays together even under extreme conditions. The Custom Age 625+ option 203 4706 is made from ARP's 625+ material that has a tensile strength of 260 ksi, substantially higher than the 190 ksi of the ARP 2000 head