Pacbrake has collaborated with ARP to provide a customized solution to all those needing their LoadLeash Engine Brake Kit to work with custom age 625 studs (Part 247-4204).
Note The LoadLeash Engine Brake may be installed with ARP2000 studs (Part 247-4202) with no other required parts. However, if it is installed with custom age 625 studs (Part 247-4204), this kit must be purchased.