Techtonics EPROM VR6 ’94-’95 for ECU 021 906 258 ??


In stock


SKU: 133_366


For ’94-’95 ECU # 021 906 258 ??. Socket included.

PLEASE NOTE : Unlike most of the ECUs we sell EPROMs for the original EPROM is soldered to the board and will require it to be unsoldered and a socket installed before the performance EPROM can be installed. This is a difficult project and may result in the ECU being unusable. We highly recommend a backup ECU be used for this modification as well as a skilled solderer.

Programed for better performance with out loss in gas mileage

Premium gasoline recommended for best results (91 octane or higher)

Choose your rev limit (Additional cost) (6,800 std rev no extra cost)

Choose cam being used (Additional cost) (standard cam no extra cost)

Include all modifications to engine you might want us to know about


Additional information

Weight 0.2 lbs
Dimensions 6 × 2 × 2 in

Stock or Performance Cam


Rev Limit

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OBD I VR6 ECU Part #

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