tacoma rear diameter

looking to buy brackets from suicide doors but dont know what sise i need i had planned on buying the behind the axle but i think my brakes get in the way any help would be appreciated

3".

if your talking about the 4 link think about getting the cando cantalever it works great on my 96 taco hit me up

3" is what you need. As far as setup. do ur research. Do what best fits ur application