I have an R151 dual ultimate (r151tranny, 2.28frontcase, 4.7rearcase full 23spline built by marlin) with about 7k miles on it. no bellhousing. Dont know how much i want, but coming to Coarsegold on Tues. to visit my sis. Make me an offer?? and i might bite. Its a spare i am keeping for a bad occasion :0 but could use some $$. Lets talk if your interested.
aaron