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FORD 9" Application Chart
This chart is to be used as a reference for those customers that have not disassembled their housing
PASSENGER CAR Dif. Brg. Diameter Dif.Brg. Number Kit  
79-71 (31 Spline, 28 Spline from 5/11/70 2.891 LM102949 306K
306TK-1
(Open Diff)
(Trac-Lock)
73-71 (31 Spline)(Trac-Lock) 3.062 LM603049 306TK  
74-64 (Trac-Lock), Hi-Perf 3.062 LM603049 306TK-3 (Trac-Lock)
70-57 (31 Spline)(All) 3.062 LM603049 306K-2
306TK
(Open Diff)
(Trac-Lock)
5/10/70-57 (28 Spline) 2.891 LM501349 306K-3
306TK-2
(Open Diff)
(Trac-Lock)
         
TRUCK        
88-71 (31 Spline, 28 Spline from 5/11/70)
(NOTE: 88-85 takes a different seal 6105)
2.891 LM102949 306K
306TK-1
(Open Diff)
(Trac-Lock)
73-71 (31 Spline)(Trac-Lock) 3.062 LM603049 306TK  
70-57 (31 Spline)(All) 3.062 LM603049 306TK-2
306TK
(Open Diff)
(Trac-Lock)
5/10/70-57 (28 Spline) 2.891 LM601349 306K-3
306TK-2
(Open Diff)
(Trac-Lock)