QU20897U Used 1/4 Degree Front End Alignment Camber/Caster Upper Ball Joint Bushingfor 1980-1997 4×4 Ford F-Series Dana Twin Traction Beam IFS Front Axles fits 1980-1996 Bronco and F150 Dana 44IFS front axles, 1980-1997 F250 with Dana 44IFS or Dana 50IFS front axles, and 1980-1985 F350 with Dana 50IFS front axles. 8 position 1/4 degree offset Bushing allows camber, caster, or combination camber and caster change.

Possible Alignment Changes with QU20897 1/4 Alignment Bushing:
1/4 Positive Camber
1/4 Negative Camber
1/4 Positive Caster
1/4 Negative Caster
1/8 Positive Camber + 1/8 Positive Caster
1/8 Positive Camber + 1/8 Negative Caster
1/8 Negative Camber + 1/8 Positive Caster
1/8 Negative Camber + 1/8 Negative Caster