




















5 Days
99
4
$575.00
VenmoNew in box.
Ford Racing M-9603-B23 fits Ford 21-22 Bronco 2.3L Performance
Enhance the performance of the 2.3L EcoBoost engine in your 2021-2024 Bronco. Ford Performance Parts calibrations are engineered and dyno tested to deliver increased power and performance while maintaining reliability.
Peak Power = 330 hp @ 5,500 rpm
Peak Torque = 385 lb-ft @ 3,500 rpm
Improved throttle response throughout rpm range
Optimized Shift Schedule for automatic transmission equipped vehicles
Premium Fuel Required
3 year/36k mile warranty from new vehicle in-service date when installed by a Ford dealer or ASE/Red Seal certified technician
Ability to change tire size up to BFG 37x12.5R17 KO2 size (579 revolutions per mile) [Additional modifications required]
Ability to change axle/FDU ratio up to 5.38
Enables upgrade of M190 to M210 front drive unit by reconfiguring DLCM module
For U.S. & Canadian Vehicles
CARB E.O. #: D-431-6 for 2021- 2024 models
M-12655-F ProCal 4 delivery tool included
The M-9603-B27 calibration is also available for 2.7L
Reverting to stock calibration with non-production tires/gears will result in error codes. Loss of functionality of critical systems may occur
Calibration and ProCal 4 tool are VIN locked to a single vehicle and are not transferrable. Please contact the Tech Line with additional questions
NOTE ProCal 4 software only available for Windows 7 or greater. Will NOT work with Windows 10 in S Mode.
NOTE ProCal 4 tool receives periodic firmware updates for greater usability and additional features. Please connect tool to PC periodically to receive the updates automatically.
Calibrations for manual transmission Broncos downloaded after July 15, 2024 no longer include the rev matching feature.
KSL Classifieds makes it easy to buy and sell with peace of mind. Check our safety tips and quickly report anything that doesn’t look right to keep your experience smooth and secure.











5 Days
99
4
$575.00
KSL Classifieds makes it easy to buy and sell with peace of mind. Check our safety tips and quickly report anything that doesn’t look right to keep your experience smooth and secure.





















VenmoNew in box.
Ford Racing M-9603-B23 fits Ford 21-22 Bronco 2.3L Performance
Enhance the performance of the 2.3L EcoBoost engine in your 2021-2024 Bronco. Ford Performance Parts calibrations are engineered and dyno tested to deliver increased power and performance while maintaining reliability.
Peak Power = 330 hp @ 5,500 rpm
Peak Torque = 385 lb-ft @ 3,500 rpm
Improved throttle response throughout rpm range
Optimized Shift Schedule for automatic transmission equipped vehicles
Premium Fuel Required
3 year/36k mile warranty from new vehicle in-service date when installed by a Ford dealer or ASE/Red Seal certified technician
Ability to change tire size up to BFG 37x12.5R17 KO2 size (579 revolutions per mile) [Additional modifications required]
Ability to change axle/FDU ratio up to 5.38
Enables upgrade of M190 to M210 front drive unit by reconfiguring DLCM module
For U.S. & Canadian Vehicles
CARB E.O. #: D-431-6 for 2021- 2024 models
M-12655-F ProCal 4 delivery tool included
The M-9603-B27 calibration is also available for 2.7L
Reverting to stock calibration with non-production tires/gears will result in error codes. Loss of functionality of critical systems may occur
Calibration and ProCal 4 tool are VIN locked to a single vehicle and are not transferrable. Please contact the Tech Line with additional questions
NOTE ProCal 4 software only available for Windows 7 or greater. Will NOT work with Windows 10 in S Mode.
NOTE ProCal 4 tool receives periodic firmware updates for greater usability and additional features. Please connect tool to PC periodically to receive the updates automatically.
Calibrations for manual transmission Broncos downloaded after July 15, 2024 no longer include the rev matching feature.










