Recalibration kits to change the rate of gain in your Standard Fuel Management Unit. Includes calibration ring, washer, and replacement upper diaphragm. Includes recalibration instructions.
Recommended calibrations for commonly used injector sizes: 12:1 - 19lb./hr Injectors 10:1 - 24lb./hr Injectors (Cobra) 8:1 - 24lb./hr Injectors (GT/LX...