Star washers, 3.250″ Yukon Ford 9″ Drop Out new design ONLY. Vendor Notes: 1960-1970 Ford Falcon (Note: Ford 9 in., Star Washer, Fits 3.25 in. case, new design only); 1966-1986 Ford Bronco (Drive: 4WD / Note: Ford 9 in., Star Washer, Fits 3.25 in. case, new design only); 1975-1987 Ford F-150 (Drive: RWD, 4WD / Note: Ford 9 in., Star Washer, Fits 3.25 in. case, new design only); 1965-1973 Ford Mustang (Note: Ford 9 in., Star Washer, Fits 3.25 in. case, new design only); 1964-1977 Mercury Comet (Note: Ford 9 in., Star Washer, Fits 3.25 in. case, new design only); 1967-1979 Mercury Cougar (Note: Ford 9 in., Star Washer, Fits 3.25 in. case, new design only)