I called sonnax and they recommended two shops in the Houston area, Transtar (800-882-8844) and ATC (713-228-7925)

Didn't get ahold of anyone at Transtar so I called ATC, talked to a guy named Ed, ordered up the parts (fwd accum. piston kit, 2 pinless accum. pistons+servo release check valve), he said he was missing the fwd.accum. kit in his warehouse so he had it shipped out of Dallas and the parts showed up the next day - I love outstanding service

alternate # to get ahold of him is 800-456-7925 ex.21

heres the parts I ordered:
http://www.transmissionspecialty.com.../77987-01K.htm
http://www.transmissionspecialty.com.../77998-03K.htm
http://www.transmissionspecialty.com.../77701-076.htm

got my transgo today as well, hopefully tomarrow I'll get the Eaton posi+transgo+sonnax parts installed

 

are you going to get that stuff installed there? if so, how much are they charging? if not, why didn't you just order it yourself?

 

I'm having everything installed at D&K in the Woodlands/Conroe area, they wanted 335 to install both the Transgo and an Eaton posi, and they'll probably swap these little parts in for little or no charge.