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Length of Shocks with RK 2.5 Springs in a JK

705 views 5 replies 3 participants last post by  GuzziMoto 
#1 ·
I’ve got some JRI remote reservoir shocks from an old lift that say they are for 4”-6” lift that i was thinking about putting on an old JK along with some RK 2.5 springs. Will these be too long? I know sometimes you can pair a set of longer shocks with springs to compensate for flex. What do y’all think?
 
#3 ·
Yea, I finally found the info on the jri shocks. Fronts are 18.6 collapsed and 29.6 extended and rears are 17 collapsed and 28 extended.

Thoughts? Are they too long?
 
#6 ·
If you measure the stock front shocks from the eye at the bottom to the step on the shaft where the upper bushing sits the stock shocks are indeed about 14" long compressed. If you measure to the top of the lower bushing, where the upper shock mount actually sits, they are about an inch longer. For some reason some shocks are measured that way, and others are measure to the step that locates the upper mount bushing. As mentioned, from there you can calculate how much bump stop would be required to run shocks that are longer than that compressed.
The rears tend to be more straight forward, it is the fronts that seem to have two different means of measuring.
 
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