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At what lift height is it recommended to replace the UCA

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I only plan on lifting the front 1.25". Was wondering if the stock UCA are adequate or do i need to replace them.
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Joe Dirt

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2025 TRD off road premium non-hybrid .
I did the "all dogs Off-Road 2 in coil lift", running factory 18-in wheels with Factory Michelin LTX trail tires.

Alignment shop using top of the line digital alignment machine said that I am at the max of alignment. Any higher will require UCA. I should mention that after sag and coil spring settling in it came to about 1 3/4 in.

Hope this takes some of the guesswork out of it.

2025 2026 4runner 6th gen At what lift height is it recommended to replace the UCA 20260330_160422
 
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a_double

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A 1.25" lift is considered a mid-travel lift for Toyota's. At that height, the aftermarket UCA requirement would come from additional down travel your strut might provide. If additional down travel is added, your stock UCA doesn't have the range and will be damaged.
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