BMW S63 Lifter Shim Set by Ferrea A91 adding structural rigidity and preventing

adding structural rigidity and preventing the block from flexing under high loads

Designed specifically for the BMW M50

Compact design and universal fitment

0L offered a unique driving experience

Auxiliary Output Capabilities:

BMW S63 Lifter Shim Set by Ferrea A91 adding structural rigidity and preventingFerrea Lifter Shim Set for BMW S63 Engines The Ferrea Racing Lifter Shim Set is engineered to enhance the valvetrain stability of BMW S63 engines, ensuring reliable performance under high RPMs and demanding conditions. These precision shims, installed beneath the stock hydraulic lifters, limit lifter travel to prevent valve float, maintaining optimal engine performance during high boost setups, track days, or racing events. Prevent Valve Float and