Harley Davidson Plug In Air Fuel Mixture Enrichment Module-Plug & Play
Harley Fuel Enrichment Device Module:....Plug in 02 Sensor Device (2 Piece) Recommended for bikes with upgraded high flow air cleaners and performance exhaust systems. These plug in modules allow engines equipped with OEM 2 wire oxygen sensors to run at a richer air fuel ratio of 13.8:1 in closed loop mode..improving performance & throttle response as well as reduces engine operating temperature between 20-30 degrees. Just simply plug this in between the oxygen sensors and wiring harness. For