Click to enlargeRamjet O2 Sensor Kit

We have developed this kit to allow the oxygen sensor to continuously adjust fuel delivery under partial throttle conditions to provide preset air/fuel ratios, reduced emissions and increase fuel economy. The MEFI 3 ECU is programmed to enable the closed loop functions.

Includes, wiring harness, O2 sensor, exhaust fitting, ecu upgrade programming and instructions.

Click here to view Ramjet O2 Sensor Instructions


Ramjet O2 Kit$495.00Engine: 
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