Radium Engineering catch cans feature large 10AN ORB ports

Optionally

clean installs

There is a ledge on the bottom of the fuel pump sleeve which stops the pump from sliding too far down

and AFR table correction

BMW S58 Lifter Shim Set by Ferrea SC7312 Radium Engineering catch cans featureThe 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