Radium Plastic Vent Flip Cap Vehicle Make_Opel These cam covers include -12ORB

These cam covers include -12ORB threads in the 2 breather ports

PRP RB cylinder heads utilize threaded bungs instead of welch plugs other than the front and rear to support commonly used water intake and drain accessories

One recirc port keeps the car's ECU happy

such as our Platinum Racing Products VR38 Coil Kit which you can find HERE

242°/244° @ 1mm

Radium Plastic Vent Flip Cap Vehicle Make_Opel These cam covers include -12ORBThis is a replacement for the low flow vent on all Radium Engineering dump cans. NOTE: Because this is an industry standard size, it press fits into many other brand fuel jugs. A simple 12. 3mm (31 64") hole is all that is required.