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    1. #2
      Join Date
      Sep 2006
      Location
      Southern Indiana
      Posts
      4,709
      Country Flag: United States
      Ok so your asking about Steering Axis Inclination, not KPI as king pins havent been used in cars in decades.
      SAI is actually the combination of the incline based off of the theoreticle center of the tire at 0 camber and the centerline through both ball joints or lower andbj and upper bearing plate.
      If I understand what was done in the machining was to change the camber SAI has nothing to do with caster.
      OK so just what kind of car is it your working on?
      and why are you changing parts?
      A little more info on the type of car your working on would help.
      I am a 20+yr alignment tech so I understande a few things about suspensions.
      Lee Abel
      AFTERMARKET PERFORMANCE






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