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GM TBI ProductsParts & AccessoriesCalibration Proms & Mem-CalsCALIBRATION PROMS: 2/4-bbl TBI or Modified Engines
GM TBI ProductsParts & AccessoriesCalibration Proms & Mem-CalsCALIBRATION PROMS: 2/4-bbl TBI or Modified Engines
Part # P254
Custom calibration mem-cals for twin TBI applications on big block or small block engines. Also for applications that use electronically controlled transmissions. Custom PROMs available for engines up to 502 and other mildly modified engines.
Custom calibration mem-cals for twin TBI applications on big block or small block engines. Also for applications that use electronically controlled transmissions. Custom PROMs available for engines up to 502 and other mildly modified engines.
