Run a catch can without having to modify your valve cover.
This b00st3d oil cap is the simplest way to add a single AN fitting to your 4G63 valve cover without drilling or welding. Pair this with a proper catch can and lines for a complete, no-bs installation!
-Billet 6061 aluminum
-Aluminum Splash Shield
You will reuse your existing gasket and spring lock.
Assembly instructions are below.