I have a NEVER installed NEW in the box 31 spline aluminum case detroit locker and aluminum ring and pinion yoke for a FORD 9inch rear end for sale for anyone who is interested. The parts were purchased from RACER PARTS WHOLESALE 1-800-397-7815 Back in SEPT of 2003 and are in EXCELLENT shape!!!! Photo's are available upon request and the price for both pieces is $325.00 shipping INCLUDED