My experience has been that if it is a roadmaster sway bar you need a roadmaster bushing. Even then be sure it is sold by roadmaster. I purchased
bushings/brackets for my front end on my class C Ford and they did not fit. Aftermarket import copycats are slightly off. Once i measured my bar
using a micrometer did I see the difference in size. I ordered what I believed and what was advertised as original equipment bushings for the front
end of my GMC 2500 and they were not the same. E trailer is a good source, very helpful with all my purchases.