Each valve undergoes a 48-hour heat treatment and stress-relieving process to ensure optimal molecular integrity

5 port and a 1/8 npt port for additional options such as a turbo oil feed and aftermarket oil pressure senders

Optionally

With optimized 280°/288° duration and high-lift specs

1mm  Valve Lift  Application  255° Intake / 255° Exhaust   9

BMW S58 Lifter Shim Set by Ferrea SC7312 Each valve undergoes a 48-hourThe Ferrea Racing Lifter Shim Set is designed to optimize the performance of BMW S58 engines by improving valvetrain stability. Installed beneath the stock hydraulic lifters, these precision shims reduce lifter travel distance, preventing valve float and enhancing power delivery under demanding conditions. Prevent Valve Float at High RPMs Whether you're running high boost setups or pushing high RPMs, valve float can become a serious issue. This occurs