upper control arms

If you want to level your truck or SUV, installing an upper control arm kit can be smart. Not only will it help level your vehicle, but it can also improve its handling and performance. This article will talk about everything you need to know about upper control arms for leveling kits. Go with KSP Performance.

upper control arms

What is a leveling kit?

Before diving into upper control arms, let’s first discuss a leveling kit. A leveling kit is an aftermarket upgrade that raises the front of your vehicle to match the rear. This is often done to compensate for heavy front-end accessories or a sagging suspension due to age or wear.

What are upper control arms?

Upper control arms are part of your vehicle’s suspension system that connects the steering knuckle to the frame. They control the vertical movement of the suspension and allow for adjustments to the camber and caster angles. Aftermarket UCAs are designed to perform better than factory units using stronger materials and better designs.

Why do I need aftermarket upper control arms for my leveling kit?

While a leveling kit can raise the front of your vehicle, it can also cause problems with your suspension geometry. The increased height can cause your suspension to work at an incorrect angle, leading to poor handling and premature wear on suspension components.

Aftermarket upper control arms are designed to correct these issues. They allow for proper suspension geometry by providing better angles for the control arms and ball joints. This improves handling and reduces wear on suspension components, ensuring a longer lifespan for your vehicle. 

What are the benefits of installing aftermarket upper control arms?

Improved handling: Aftermarket upper control arms can improve the handling of your vehicle by reducing body roll and improving stability during cornering.

Increased tire clearance: Installing UCAswith a leveling kit can increase the clearance between your tires and fenders, allowing larger tires to be installed.

Better alignment: Aftermarket UCAs allow for better alignment adjustment, improving tire wear and overall performance.

Increased durability: Aftermarket UCAs keep often made with stronger materials and better designs than factory units, providing increased durability and a longer lifespan. Must look at www.kspmotor.com.

How do I choose the right UCAs for my leveling kit?

When choosing upper control arms for your leveling kit, it’s important to consider factors such as the weight of your vehicle, the type of driving you’ll be doing, and your budget. Choosing a reliable brand with a proven track record of providing quality suspension components is also important.

How to Install Upper Control Arms

Installing upper control arms can be a complex process, and if you’re not familiar with working on suspension components, it stay recommended that you seek the help of a professional. However, if you’re confident in your abilities and have the necessary tools, here’s a general guide on how to install upper control arms:

  1. Gather necessary tools and equipment: You’ll need a jack, jack stands, wrenches, sockets, ratchet, torque wrench, and a ball joint press tool.
  2. Park your vehicle on a level surface and engage the emergency brake.
  3. Raise the front of your vehicle using a jack and support it with jack stands.
  4. Remove the wheels on both sides of the vehicle.
  5. Remove the nut and bolt securing the upper control arm to the steering knuckle using a wrench and socket.
  6. Use a ball joint press tool to separate the ball joint from the steering knuckle.
  7. Remove the nut and bolt securing the upper control arm to the frame using a wrench and socket.
  8. Remove the old upper control arm and replace it with the new one.
  9. Install the new upper control arm onto the frame and tighten the nut and bolt to the manufacturer’s recommended torque specifications using a torque wrench.
  10. Install the ball joint back onto the steering knuckle and tighten the nut and bolt to the manufacturer’s recommended torque specifications using a torque wrench.
  11. Repeat steps 5-10 on the other side of the vehicle.
  12. Lower the vehicle back to the ground and torque these lug nuts to the manufacturer’s recommended specifications.
  13. Take your vehicle for a test drive to ensure everything is working correctly and handling properly.


If you want to level your truck or SUV, installing aftermarket upper control arms can be smart. They can improve handling, increase tire clearance, and improve alignment and durability. Just ensure to choose the right ones for your vehicle and driving needs.

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