USED TO ADJUST TOE11/16"-18 THREADS X 4 3/4" LONG FITS:CHEVROLET:*1971-77 CHEVELLE, MONTE CARLO, EL CAMINO, & MALIBU*1970-81 CAMARO*1971-94 IMPALA, CAPRICE, BEL AIR, & BISCAYNE*1975-79 CHEVY II & NOVABUICK:*1971-77 CENTURY, REGAL, LUXUS, & SPECIAL*1954-94 CENTURION, ELECTRA, ESTATE WAGON, INVICTA, LESABRE, & WILDCAT*1975-79 APOLLO*1971-79 SKYLARK*1963-85 RIVIERAOLDSMOBILE:*1971-77 CUTLASS, F85, VISTA CRUISER, 4-4-2, & CALAIS*1963-93 CUSTOM CRUISER, DELTA, REGENCY, & STARFIRE*1975-79 OMEGAPONTIAC:*1971-77 GTO, LEMANS, GRAND LEMANS, GRAND AM, TEMPEST, & T37*1950-81 BONNEVILLE, CATALINA, EXECUTIVE, GRANDVILLE, GRAND SAFARI, & STARCHIEF*1969-81 FIREBIRD & TRANS AM*1971-77 GRAND PRIX*1983-89 PARISIENNE & SAFARI WAGON*1977-79 PHOENIX*1973-77 VENTURAFORD:*1964-66 MUSTANG (8 CYLINDER WITH MANUAL STEERING)*1964-66 MUSTANG (8 CYLINDER WITH POWER STEERING, PASSENGER SIDE ONLY)*1964-66 MUSTANG (6 CYLINDER WITH POWER STEERING, PASSENGER SIDE ONLY)*1967-73 MUSTANGIT WILL ALSO FIT SEVERAL OTHER APPLICATIONS THROUGH THE YEARS; YOUR BEST BET IS TO MAKE SURE THAT THE 11/16"-18 THREADS & THE 4 3/4" LENGTH WILL FIT YOUR APPLICATION