NGK Powerdex AFX Air Fuel Monitors

Accurate readings to tune from.
These NGK Powerdex AFX air fuel monitors are designed to measure the air/fuel ratio delivered to carbureted and fuel injected performance engines. They feature an adjustment range of 9.00 to 16.00 for gasoline engines.

These monitors include:

* Wideband oxygen sensor
* Control module
* 13 ft. wiring harness
* Exhaust bung
* Plug