Sometimes this can eliminate the need to replace coil springs to accommodate other modifications. Although a few styles of spacers are still made of rubber, this material is becoming increasingly rare in the manufacturing of spacer lift kits. The softer rubber offers exceptional vibration absorbing characteristics, but the higher raw material cost, expensive tooling and manufacturing process limits the production on higher spacers.
Rubber in general is not completely impervious to fuels, oils and road contaminants. The softer material can resist tearing but overloading or pinching can cause failure if not maintained. An increasing number of premium spacer lift kits are now made of either aluminium cast and billet machined or steel. Unlike aluminium, steel spacers are prone to rust if not correctly coated and fixed into position preventing movement.
Metal spacers can be powder coated, painted, or anodised in a host of different colors for a custom look. In certain circumstances, aluminium spacers can experience a small amount of electrolysis if they are mounted directly to the steel frames and the vehicle has wayward current loss. Unlike rubber and polyurethane, metal spacers offer no additional vibration dampening. The ride on metal spacers is sometimes considered rougher, although it can be no worse than OE setups as the mounting component materials are still considered equal.
Metal does make for a rugged, long lasting choice of material for suspension spacer lifts. This material is one of the most popular available for spacer lift kits. Polyurethane is often a higher durometer than the rubber equivalent and its excellent chemical resistance properties, have shown they can be almost impervious to fuel, oil, and other road contaminants. These are designed to allow you to reuse your stock shocks by simply spacing out the mounting locations.
This helps preserve your factory ride as you are keeping a shock that has been engineered to work with the stock coil spring. What you see next to the stock shock with the Rough Country extension in this photo is a Fox 2.
Given it was the proper length, we went ahead and installed them with the Rough Country spacer lift. Both of these shocks have around 30, miles on them, so it was sort of a wash in terms of which was in better shape.
We knew however we would get a boost in valving with the Fox shocks, so it was worth going with them. The real takeaway here is that budget boost kits at the lower end of the price spectrum typically do not come with new shocks.
We think this is a good thing as your vehicle needs grow, you can always upgrade later. The Jeep Wrangler and Gladiator suspension systems have a fair about of flexibility when it comes to what you can get away with lift-wise before you need a lot of additional parts. On the Jeep Wrangler JK, a track bar relocation bracket is necessary to keep the tracking centered out back.
The height of the spacer kit will generally determine what additional components are necessary. The Rough Country kit also included longer rear sway bar links it calls for reusing the stock rear links up front as well as brake line extension brackets. Since we had previously installed our 35x Even with the modestly backspaced inch Venom Rex wheels, we would rub the fenders greatly at mild articulation.
While the lift gave us more room for our Grapplers to breathe, it did not include bumpstop spacers, which means our tires can potentially still contact the flares. This is why this particular kit is designed more so for those simply looking to raise the Jeep, not necessarily do a lot of serious off-roading.
Another popular use of a spacer kit is to raise nose of the vehicle to give it a more level stance. This level look is why many companies will provide a taller front coil spacer.
The allure of a dirt-cheap suspension kit has made the spacer kit one of the most common suspension upgrades on the market. Issues arise if the spacers are too high, causing issues with suspension. Mild spacer lifts are great for off-road and can even improve the off-road ability.
For the most part, they simply get a bad rap from extreme off-roaders. One mistake many companies make is designing spacers too high or not providing drop brackets for the differential, skid plates or sway bars. This is the cause or premature part failure. However, ours are designed to give only " of Additionally, they will not rust or crack like many other models, eliminating noise and vibrations many drivers often complain about.
This is perhaps why people perceive spacer lifts to ride harshly - spacers only do so because the spring motion at that extreme level of extension is not properly damped. Many argue that spacer lifts are in no way performance oriented. However, mild spacers can even improve off-road ability.
Installing any lift slightly moves the axle down in rotation to the frame. The more lift, the father towards the center the axle will rest.
As the axle drops, the castor changes, possibly affecting handling.
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