Prosport EVO Wideband Digital Air Fuel Ratio Kit - Green/White Mazdaspeed3_2007-2013 Even with the thick disc

Even with the thick disc

The center

Part #: 13102

Part Number: 37290

Larger injectors may require upgraded fuel pump and regulator

Prosport EVO Wideband Digital Air Fuel Ratio Kit - Green/White Mazdaspeed3_2007-2013 Even with the thick discPart #: PSR 216EVOWGAFRWB4. 9 WO Utilizing the latest Bosch wideband O2 sensor 5 wire heated LSU 4. 9 (Prosport Inc. is the only one in the USA to use them) our gauge now has the widest range 10. 0: 1 to 20. 0: 1 AFR readings on the planet. Featuring a Dual color (Red or Blue) readout in the center of the gauge and a bar graph syle LED's around the outside of the gauge for immediate reference to AFR. This is a complete kit that includes everything you