you can do it , but also you can root it ! since you have an unlocked bootloader or s-off you can get permanent root using superoneclick , and flash custom recoveries and others !
Phone : Google Nexus Prime ( Galaxy Nexus )
Android Version : Jelly Bean 4.2.2
ROM : Unofficial Rootbox nightlies
Kernel 3.0.xx , fancy kernel !
Overclocked up to 1.4 , currently 1.2 GHz (Using Quad Core Manager Plus for battery saving)