502 Ramjet Harness, Holley HP ECU, Wide Band


Arizona Speed & Marine has developed a kit that includes labeled wiring harness with OEM style connectors, Holley HP programmable ECU, programming cable, power harness and wide band sensor to provide self learning capabilities.



This Kit has the Holley HP ECU with a durable aluminum case, epoxy filled for rugged and water resistant use. It has provisions to operate dual fans, digital Holley dash and many more features. With the wide band O2 sensor you can monitor the air/fuel ratio, also data recording function of engine operation is included.

The wiring harness is custom made and is higher quality than the original wiring harness with all the OEM connectors to fit the engine sensors, Bosch wide band sensor and small cap distributor.

Additional information

Weight 12 lbs
Dimensions 24 × 24 × 12 in


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