According to Humvee when he did his 2" bodylift afterwards, the garage lifted the body 4" before installing the 2" blocks. So the steering still has enough extension left over a 2" bodylift but it would be safer to extend it if you decide to go over 2". At that point it would also be advisable to either drop the radiator or get a custom taller radiator (since the clutch fan becomes way off center to the rad at aboce 2")
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