What to look for in a bolt in sprag?

if a bolt in sprag has the same amount of rollers as the stock ones you don't need it. it the stock one is broke you need one. if the bolt in has more rollers then a stock one you might want to consider one if the stock one is broke. if you treat the stock sprag with respect it'll do just fine.

yeah right , check the tranny forum theres a sticky on this , the stock 727 sprag is a dangerous POS people have lost limbs because of them . CRT are a pretty reputable outfit , the roller count is secondary to replacing the press fit stock unit with a bolt in piece that won't fail when you need it .

last sentence i the top quote buddy.