spindle question

honested said

Yes I have the lower balljoint as well but they look like they will interchange the bolts mesure the same distance but with both spindles off the 68 top and bottom balljoints are straight accross where the 9 in spindles the top balljoint is about a inch foward from the bottom

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As I said they look different because the 9 inch has a 90 degree hook to it. The spindle centerline is centered on both although it looks different. You could measure the caster on the 9 inch before pulling them and then the 10 inch after installed and it will be the same. The only way they would be different if if your SAI is off because of a bent spindle.