Thats a loaded question.
We need more info.
It would depend on the car, vehicle weight and usage.
What is your planned camber and castor build in. What motion ratio are you planning? What spindle? Coil over or conventional spring.
Material would depend on vehicle weight and a general idea of forces.
Upper is 1 1/2" .120 DOM average.
Lowers are 1 3/4" .120 DOM average.
I would recommend a factory (replacment or equivilant) cross shaft, bushings and balljoints.
Last edited by Vince@Meanstreets; 03-13-2014 at 12:17 AM.
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