sorry if I ran a duplicate post. I ment it to be more specific as I now believe there is a lifter for that block and now I believe that lifter to be a A-761 topline/Hylift brand all the specs work and the oil galley in the block matches up to the lifter oil galley relief, also there application is 1950-53 chevy with powerglide with replacement cast iron camshaft I will post if it is a go thought I believe I will have to replace the push rods do to lenght.