BMW N54 Lifter Shim Set by Ferrea Cut Ring Using Custom Age 625+ head

Using Custom Age 625+ head studs enables you to increase boost levels without worrying about the cylinder head lifting

or track days

Install a custom oil cooler on your street or track BMW with help from the Mishimoto Oil Line Fitting Kit

Calico-coated bearings provide remarkable thermal resistance

the 5150 AutoSport Valve Spring Kit ensures your valvetrain can handle higher RPMs

BMW N54 Lifter Shim Set by Ferrea Cut Ring Using Custom Age 625+ headFerrea Lifter Shim Set for BMW N54 Engines The Ferrea Racing Lifter Shim Set is engineered to enhance the valvetrain stability of BMW N54 engines, ensuring smooth operation under high RPMs and extreme conditions. These precision shims, installed beneath the stock hydraulic lifters, reduce lifter travel to prevent valve float, improving throttle response and maintaining consistent power delivery. Whether youre tuning for high boost setups or