Yes it is and its working great so far.
The place that rebuilt mine has a 2 year unlimited mile warranty. Although it wont cover damage that is intentionally caused.
And does anybody know what my tranny model is? According to this section being called "97- current 4 speed automatic transmissions (4T65E) (4T65E-HD) i thought it was a 4T65E cause the HD is the supercharged one or somethin but ive also heard people say that mine has the 4T60E. Anyone know for sure?