Supertech BMW M50/M52/S50/S52 Black Nitrided Exhaust Valve - +1mm Oversize - Set of 8Supertech Performance BMEVN 1031S BMW S42 M42 M50 S50 M52 S52 M54 Exhaust valves Set of 8 Supertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome

and a more aggressive exhaust sound

This 2 1/16"(52mm) gauge looks like it is meant to be there

Aluminium construction allows extreme boost pressures

Pre-crimped connectors plug directly into the factory connector and also takes care of the city light socket that your North American model lacks

The Burger Motorsports custom billet Water/Methanol Injection (WMI) cap includes an integrated heavy-duty check valve to let much-needed air in and prevent dangerous WMI vapor/fumes and liquid from getting out

To increase airflow through the intake and exhaust ports

Integrated Engineering cam gears allow you to adjust your power band by advancing or retarding your cam timing without actually changing your cam

To make installation even easier

Camber: -1

Tired of those EVAP and SAI codes

(2) Ball Joints with new hardware Delphi (OEM) - 357407365

our SPORTLINE springs dramatically reduce squat during acceleration