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)