I have 2 extra GT40 ECU's that are in good working order.
Codes are 58HO and 290M
I have used both to run my '99 SNOB that is currently running 300M ECM.
I don't know the differences between the 3 different codes.
Looking to get $250 shipped each.
Codes are 58HO and 290M
I have used both to run my '99 SNOB that is currently running 300M ECM.
I don't know the differences between the 3 different codes.
Looking to get $250 shipped each.
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