i don't think you'll be able to get it free now but i'm pretty sure they still have it and you should be able to purchase it.
i had mine done under warranty with the same kit and a new door, even though i didn't need the door, back in 2009.
and Zoe the Wonder Dog(R.I.P.)
'07 Roo 23SS pushing an '07 Chevy Avalanche
Equalizer WDH and Prodigy BC