BMW N54 Lifter Shim Set by Ferrea Cut Ring "Ported S" compressor cover 4

"Ported S" compressor cover 4

Please contact our sales department with any questions and to verify compatibility

Calico-coated bearings provide remarkable thermal resistance

Custom billet fuel rail for the BMW with M50 intake manifold

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

BMW N54 Lifter Shim Set by Ferrea Cut Ring "Ported S" compressor cover 4Ferrea 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