STM Valve Cover Fittings Evo 10/RA

Always looking for ways to make the engine bay cleaner, lighter and easier to work with, the STM Aluminum Valve Cover Fittings allow you to simply install -AN lines and fittings for a catch can or breather right onto your valve cover.

The -10AN Front Fitting removes the PCV Valve and re-uses the factory O-ring. For track & racing use only. Not intended for public roads.

-6AN Side Fitting:
Fits metal valve covers only.

-10AN Front Fitting (PCV Valve Replacement):
Fits both metal and plastic valve covers.
For racing use only.