Located at the top of the differential housing. Used on all 1964-77 Cutlass-442.
1964-77 Oldsmobile Cutlass and 442 models
1973 Oldsmobile Vista Cruiser, Delta 88, Delta 88 Royale except with anit-spin rear axle
1954-58 Buick all models
1964-65 Buick Special and Skylark
1966-69 Buick all models
1970 Buick LeSabre and Electra models
1973 Buick "A" body wagons