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Minimum length rear UCA's

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Old 05-12-2012, 03:56 PM
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JK Freak
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Default Minimum length of Rock Krawler adjustable rear UCA's?

Need a set of adjustable rear UCA's to set my rear pinion. After disconnecting my stockers and playing with pinion I figured I need about 1/4"-3/8" more than stock or about 17 3/4" max, This set my rear CV / RPezza at a nice happy position at the pinion but I will likely need spring wedges to correct bowing and keep track bar jam nut from hitting passenger side spring.

Which brand of arms can meet this length at minimum adjustment? I like RK but not sure they will work with my stock rear lowers?

Last edited by vulcan classic; 05-13-2012 at 07:12 AM.
Old 05-12-2012, 04:03 PM
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I installed RK adjustable uppers a few weeks ago. I have a 3 inch lift and the RK arms barely had enough adjustment to set the pinion angle correctly. I actually had to shorten them as far as they will go to get it right. Anyhow, they did work and now my pinion angle is good.
Old 05-12-2012, 04:15 PM
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Did you happene to measure them eye to eye at minimum adjustment?
Old 05-12-2012, 04:17 PM
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Also, did you need spring correction or have track bar interference?
Old 05-13-2012, 06:58 AM
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Bump

Does anyone know the minimum length of Rock Krawler rear adjustable upper control arms?



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