SMALL GEAR LARG GEAR im Q 6435 MODEL EDO BOB MODEL Q 6 EfD Q cm A rg lf WD A GD 25 X I QF J 0 G w L Q 0 vw 6 vi L V 9 GM642 1234 1977 78 POWER STEERING GEAR MODEL 605 GM PARTS DIVISION GENERAL MOTORS CORPDHAT 0N CHEVROLET IOA 1 6 000 GROUP na 9 78