Be better to just get an Autotech or IE internals kit and swap it in for that APR. Until then yes, you can put in another CF...even a used one, and run it. Just drive as normal as possible.
To be honest Kakluote...I'm surprised you missed this :frown:
...but I've given a guy, his was in a worse off condition because more wear on the piston, a slightly used hpfp piston(not worn at the tip) and used CF and he ran his for some time before he sold it. He lied in his Ad stating "one common problem with these is the CF but I checked the CF and found that all looks good".