Look under '72-'73 D-100/150s'; they have 8 3/4 and non-tapered axles that are even better to cut down than the C-bodies. The vans in that era had 'em,too! A-100 and A-108 are good,too. The perch-to-perch and drum-to-drum measurements are identical to an A-body, are factory BB pattern, and all...