Yes your phone is included as one of the devices that's qualified to update to Android 4.2.2 using Carbon custom ROM.
However hold yourself for a minute, make sure your phone is already rooted and CWM recovery is installed. Afterward, enable USB debugging mode and then wipe a dalvik cache via recovery mode. Then you can proceed to the guide below.
Update Infuse 4G SGH-I997 To Carbon Rom Android 4.2.2 Jelly Bean
Step 1 - Download CarbonROM Jelly Bean 4.2.2 Android and Google Apps to your computer and store it in the place you can easily find like Desktop for example.
Step 2 - Now plug your smartphone to the PC of yours using a USB cable.
Step 3 - Then copy and paste this: Android 4.2.2 ROM zip and Google apps. Place the files in the SD card root.
Step 4 - Now shut down your phone, then unplug your device from USB.
Step 5 - It is time to enter the Recovery mode. Simply turn your device ON at the same time, press and hold these buttons simultaneously: Volume UP + Menu + Power.
Step 6- And within the ClockworkMod recovery, do a full data wipe first. Then find this “flash zip from SD card” then click and hold the Power button to select it.
Step 7 - Again press Power then choose “choose zip from sdcard”.
Step 8 - Use the volume keys to go to the Android 4.2.2 zip you pasted to SD card, then choose it using the Power button. Then on the next screen confirm the installation for it to begin. (Do from step 1 to step 8 again to install Google Apps).
Step 9 - Once the installation is completed, head to “+++++Go Back”. Then reboot your device, by choosing the “reboot system now” on the recovery. Your device will take reboot, this process may take few minutes, therefore just wait.
Well done my friends.