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When you look at the Kinetix bushings you can see that they are completely solid while the Nissan rubber bushings are hollowed out at the ends to allow some 3rd degree freedom in articulation. This means that the Kinetix parts add a slight amount of bind to the suspension which makes the suspension get slightly stiffer in compression. This is not too bad because the spindle bushings are rubber and have some compliance. This is the traction rod and notice that it is wider than stock. This caused some minor problems during our installation.
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The wider bushing was too wide for our stock bolt. Notice that the end of the bushing is unsupported. We ended up getting a longer bolt and have not experienced any problems yet during several track days and many thousands of street miles.
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You can see the non stock bolt we used here. We also used a large washer to support the bushing. None of these parts came with the links nor were there any mentions of this in the instructions.
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With the links in place we aligned the rear of the car to 1.5 degrees negative camber and 1/8″ toe in.
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Before installing the links we lubed the bushings with silicone grease. The front upper arm had a zerk fitting for easy lubrication. There is a gap between the two bushings that acts like a reservoir for grease, a pretty good idea.
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The front upper arm was removed so we could install the Kinetix part.
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