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GM TBI ProductsParts & AccessoriesCalibration Proms & Mem-CalsCALIBRATION PROMS: Production V-6 and V-8
GM TBI ProductsParts & AccessoriesCalibration Proms & Mem-CalsCALIBRATION PROMS: Production V-6 and V-8
Part # P253
Typical of 1986 to 1992. Custom calibration proms for stock 1987-90 big block and 1987-92 small block TBI engines from trucks & vans with manual or non-electronic controlled transmissions. Custom proms available for 502's and other mildly modified engines.
Typical of 1986 to 1992. Custom calibration proms for stock 1987-90 big block and 1987-92 small block TBI engines from trucks & vans with manual or non-electronic controlled transmissions. Custom proms available for 502's and other mildly modified engines.
