The R.V. came with one, go get it and use it with your stock drive shaft twocents
I'm going to do that, use a R/V short BB 727 tranny in my new drag car, after I get the biggest and strongest front slip yoke out there from my local agricultural H.D. drive shaft maker up

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)