IMPORTANT: The overlay harness is only compatible with the specific customer-supplied PCM and MAF components listed in the drop-down menu below. Use of non-listed components is not supported.

Converts 1985–1997 Ford F-Series vehicles equipped with non-E4OD transmission (C6, AOD, ZF, M5OD) from Speed Density (bank-fired EFI) to Mass Air Flow (sequential fuel injection) operation.