TH350 trimatic pattern recent reco 2.5k stall ect

hi guys i
have a th350 i am thinking of selling stage two shift kitted with a 2500 stall, it is trimatic pattern. ( pontiac box convered to trimatic) i currently have it bolted up to me 253 in one of my torana's

i have

th350 recent reco
2500 stall
lh/lx torana th 350 hatfield cross member
new gearbox mount
kick down cable
one tonner tailshaft cut down to suit


can any one give me a rough price on what it's worth?
i am looking to go to a manual box.