No issues with any of my 727'S yea it cost a little money( steel drum $500, lowband apply transbrake vb $650, 16 roller bolt in sprag $ 170) the rest are stock parts. And I still have my feet , and there worth more than any trans parts.

E. Williams 65 Coronet 500 3400lbs w/d, 446, Indy EZ'S, A&A transbrake,Comp 650 lift cam, 6.50 @ 105 mph 1/8th 10.25 @ 130mph 1/4