#P254 – CALIBRATION PROMS: 2/4-bbl TBI or Modified Engines


SKU: P254 Category:


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.

Additional information

Weight 1 lbs