This kit will get you the extra parts you need to change out the weak 4L70e in your Trailblazer for a much beefier 4L80e.
RWD kit includes:
AWD kit includes:
Phoenix AWD adapter & tail shaft
Both Driveshafts (Fits 261 case only)
Stainless or black flexible dipstick
Note: If converting from AWD to RWD you will also need a GM transmission motor mount spacer.