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Yes, anytime your ride height is changed it should be aligned.
Adding a spacer lift extends the effective shock length. Increased ride height is achieved by rotating the LCA about its pivot point. This in turn changes the wheel orientation in the camber plane due to new LCA orientation. The caster angle also changes since the UCA attachment point at the knuckle has not changed.
Therefore the LCA needs to be adjusted at its pivot points by slightly moving these in/out through the pivot point cam adjustments. If LCA orientation has significantly changed (large increase in ride height) then the UCA knuckle attachment point also needs to move to readjust king pin axis. This requires a new UCA.
- First Name
- Rob
- Joined
- Jan 1, 2024
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- Orange, CA
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- Bronco
- Your Bronco Model
- Big Bend
I ended up buying both the Zone 1” spacer kit and the Readylift 1.25” spacer kit to decide which I like better. Here are some pics side by side. The Readylift is a higher quality product with nicely machined edges, but I prefer the hardware on the Zone kit better because of the pinch nuts for the top of the strut instead of flare nuts that will cause rust when they gouge the coating off the frame. The Zone is laser cut and has some flash from the initial pierce under the powder coating. The total height on the 1” Zone kit is .628” (1:1.59 shock ratio), total height in Readylift is .742” (1:68 shock ratio). Using the stated standard on here of 1:1.5 for spacer height to lift for the front the Zone lift should be .942” and the Readylift should be 1.113”. Both top and bottom spacers on the Readylift kit are thicker than Zone. I can measure each individually if someone wants. The instructions for the Zone call for removing the spindle and pushing the stub axle out of the hub, the Readylift has you remove the lower control arm bolts keeping the stub axle secured.
My truck measures 1.5” high in the rear unloaded. I need to add some gear and my bike rack and see where it sits. At this point I’m planning on installing the Readylift kit. I don’t hate a little rear squat, very common on prerunner trucks where I came from in AZ.
I know this is a long shot, but you don't by chance have the thickness of the individual pieces still do you?
I am going to machine my own spacers (I have a full CNC machine shop), so I can get the measurements for the PCD of the top hat bolts and the spacing of the lower bolts, but I want to do a 1.25" lift, so want to match the thicknesses of the Ready Lift kit.
I assume the lower spacer is where the extra .25" of lift comes from considering the top can't really go much thicker due to the length of the studs coming out the top. Looking at your measurements, it looks like the extra .1145" is in the lower spacer, but its hard to tell from the photos if that's the case, or if they added the extra height into each piece which would make each spacer on the 1.25" kit about .05725" thicker per spacer.
Anyways, if not, no big deal. Just thought it couldn't hurt to ask.
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