These studs are crafted in-house from durable 8740 chromoly steel and are heat-treated to withstand extreme conditions

We have tested fuel pumps with and without check valves

Prevents Oil Leaks: The primary function of the rear main seal is to prevent engine oil from leaking out of the rear end of the crankshaft

For the NA BMW S54 enthusiast interested in rebuilding their engine with bulletproof internals

engine fans

BMW S63 Lifter Shim Set by Ferrea 14811 These studs are crafted in-houseFerrea 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