![]() If your machine has leaf springs (common on trucks and many cars for rear suspension) you can simply have a leaf added, or 'spring helpers' that bolt on to your existing springs to add tension and strength, giving you as much as a ton (or more) of extra load-bearing capability. You might also consider reinforcing your springs when getting ready for heavy hauling. The Old Man Emu coils we used tremendously improved the drivability of this WJ that came from the factory with an unusually soft spring rate and stiffer sway bars to compensate.Reinforce your springs. Better performance: A coil spring tuned for your vehicle and usage can make driving it a lot more fun.Minimal collapsed length change: The compressed distance between the upper and lower spring pads does increase when adding a taller coil, but only by a small amount.That's why Old Man Emu offers both their light-duty and heavy-duty coil springs with sway bar packages. But remember to match your coils and sway bars together. You can order progressive-rate coils, heavy-duty coils, light-duty coils, or get the same spring rate you had before, only in a taller version. Customize your spring rate: You can specify your spring rates with custom coils springs.Springs wear out and sag, and when they do, they can soften up and/or change the ride height. New coils guarantee a fresh spring rate: Even if you replace your coil springs with the exact same ones (only new) you may see a change in spring rate.This is a rare occurrence, but remember that you are complicating the system by adding an extra part (the spacer), and more parts often means more things could go wrong. If a spacer becomes dislodged, it can possibly fall out or not allow the coil spring to seat properly. Spacer could fall out: It never happened on this WJ, but we have seen spacers move on vehicles equipped with longer aftermarket shocks.If your coil comes close to completely collapsed at full compression, then this might limit up travel. If you add a 2-inch spacer without somehow adding 2 inches of droop to your suspension (maybe longer shocks and sway bar links), then you've effectively reduced your available collapsed length between the spring pads by 2 inches. Potential decrease in travel: You are adding a block in between upper and lower spring pads-a space shared with the coil springs.A spacer will never improve the ride, and it generally will not change the spring rate. No change in spring rate: Sometimes, you want to change the spring rate due to added equipment or you want to improve the ride.Easy to install: A spacer is as easy to install as a coil spring, if not easier.The coil spring, used in conjunction with a spacer, can change lift height (due to wear or a change in weight), but the spacer will never change height. A spacer will give a fixed amount of lift that will never change. Fixed amount of guaranteed lift: A spacer basically changes the height of the spring pad.Remember to think about that investment when making your decision. The manufacturer spends millions of dollars testing and engineering the stock coil springs and how they work with the sway bars. It could be argued that in certain applications, a spacer changes the available compressed height and sometimes the angle at which the springs deflect off the spring pads, but if that's ever the case, the change is minimal and basically unnoticeable. No change in spring rate: Spacers do not change the spring rates.Versatile: They work with any factory or non-factory coil spring, regardless if it's a heavy-duty coil or a light-duty coil.That being said, don't get too cheap and use wood spacers or something. It's the cheapest way to lift a coil-sprung Jeep. ![]() Some cost more than others, but we don't know of any spacers that cost over a couple hundred dollars. Cost effective: Spacers are inexpensive.
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