Allows easy mounting of crankcase evacuation system.

Dynatech has found that the Pan E-Vac fitting location, angle and depth are crucial for maximum performance. Race track and dynometer testing have shown significant performance gains with Pan E-Vac system installed. By using a 18mm thread, you have the option to use the included threaded adapter for your breather line hook-up or oxygen sensor found on fuel injection and air/ fuel ratio meters. Includes one of each: 18mm weld-on bung, hex plug and Pan E-Vac male adapter.