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This Bronco Fabricated Upper Arm Kit is made from 4130 Chromoly material and uses the best FK rod ends and uniballs available. It is CAD designed with minor updates to caster and suspension geometry to optimize the driving feel and strength.
The kit uses a huge 1.25" uniball to replace the upper ball joint connection and 7/8 FK rod ends at the frame. The rod ends allow you to adjust your alignment in the upper arm to get the desired caster and camber you want on your truck. It's designed to work with the factory spindle setup and uses 17-4 stainless steel spacers for the pivot areas to keep the corrosion down and the 4130 material is MIG welded in rigid fixtures to ensure the quality and fitment on your truck.
The kit uses a huge 1.25" uniball to replace the upper ball joint connection and 7/8 FK rod ends at the frame. The rod ends allow you to adjust your alignment in the upper arm to get the desired caster and camber you want on your truck. It's designed to work with the factory spindle setup and uses 17-4 stainless steel spacers for the pivot areas to keep the corrosion down and the 4130 material is MIG welded in rigid fixtures to ensure the quality and fitment on your truck.
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