Suspension Setup Form
Have questions about your current suspension setup? Fill out this form and we will do our best to help you out.
What Size Coilover Shocks Do You Need?
March 28, 2023
So you decided to upgrade to coilover shocks and can’t decide on which size to get? Let us help
Performance Elite Series vs Factory Race Series
March 17, 2022
What is the difference between Fox Performance Elite Series shocks and Fox Factory Race Series Shocks?
Shock Oil Flow Through Piston and Valving
December 28, 2021
Curious to know what goes on inside a shock, or what exactly we are “tuning”? Click here to find out!
Fox 2.0 Factory Race Series vs Performance Series Smooth Body Shocks
August 17, 2021
If you’re building a 4×4 vehicle that requires custom length shocks, this article is for you!
Coilover Preload Adjustments 101
July 8, 2021
This article is going to explain how to adjust preload on adjustable aftermarket front coilovers for most trucks and SUVs.
Fox DSC Assembly
May 11, 2021
Ever wonder how a DSC Adjuster is assembled? Or have you ever wanted to replace your DSC Adjuster knobs?
Bypass Shock Tech | 5 Part Series
March 9, 2021
This 5 part series of articles will go in depth about Bypass Shocks and help explain some of the unique features they have to offer.
Comparing Shocks: IFP Shocks, Remote Reservoir Shocks And Emulsion Shocks
August 20, 2020
Whats the difference between an IFP shock and a Remote Reservoir Shock? What about an Emulsion Shock? Click to find out out!
Suspension Setup For OEM Fit Front Coilovers
June 17, 2020
This article goes over the basics on how to setup your adjustable OEM Fit Fox or King coilovers. 0-2″ lift, 0-3″ Lift, extended length etc…
When are Tender Coils ok to use?
April 14, 2020
This article will go over Tender coils and how they are used. If you have a light weight rock crawler, this article may be for you!
TECH TIP: Which Shock Fitting can you Adjust?
March 23, 2020
We get this question a lot! Sometimes you may need to make a slight adjustment to the hose routing to get everything to fit just right.
Should I Get FOX DSC Adjusters?
December 10, 2019
Fox offers a Dual Speed Compression Adjusters (DSC) on their shocks and coilovers. This will allow you to manually adjust the high and low speed compression valving on the shocks…
Measuring for Coilover Shocks- Universal Fit Coilovers
June 17, 2019
Building a custom rig and need to measure for new shocks? This article is for you
Spring Preload & Why It Matters
November16, 2017
Spring preload is an important, but often misunderstood concept and this article is going to clear things up.
Icon Vehicle Dynamics – 2.0 Digressive Piston Review
August 31, 2017
While rebuilding some Icon Vehicle Dynamics 2.0 FJ Cruiser rear shocks we took the opportunity to snap some pictures and explain more how they work.…
Digressive vs Linear vs Progressive Pistons & Shock Valving
August 21, 2017
Digressive, Linear and Progressive tuning. What does it all mean and how does it affect ride quality?
How King Compression Adjusters Work
June 21, 2017
King Shocks offer Compression Adjusters, what are they and what do they do?
How Fox DSC Dual Speed Compression Adjusters Work
November 30, 2016
Fox offers Compression Adjusters on 2.0, 2.5 and 3.0 coilover, smoothie and internal bypass shocks. Fox calls their adjuster a Dual Speed Compression (DSC) adjuster because…
Fox vs King: 2.0 Coilover Shock Comparison
February 11, 2016
Contrary to popular belief, the differences between Fox 2.0 Remote Reservoir Coilovers and King 2.0 Remote Reservoir Coilovers run much deeper than the color of their.…
How To Select The Right Length Coilovers
October 28, 2015
Off-Road coilovers are not meant to be used as bump stops because the wiper seal is usually exposed externally. Follow these steps to make sure your shocks don’t become.…
Fox 2.5 Factory Series vs 2.5 Performance Series Coilovers
October 21, 2015
In 2014 Fox introduced the 2.5 Performance Series line of coilovers to their offroad division in order to better compete with lower cost options
Coilover Shock & Spring Selection For Handling
October 14, 2015
There are two ways to get an off-road vehicle to handle well: sway bars or careful shock and spring selection. This article is for those who want to optimize their handling without using sway bars…
Guide To Suspension Design For Going Fast In Comfort
July 24, 2015
The following are general rules of thumb that we have collected from working on all sorts of different vehicles. We recommend them as a starting point when thinking…
Shock Tuning 101
July 24, 2015
Shock valving influences ride and handling, but these two things are often at odds with each other. Large amounts of low speed rebound will give you great cornering control…
How To Perform AccuTune Measurements
July 24, 2015
Measuring Motion Ratio is surprisingly simple, but take care, this is the most important measurement because it is used several times in out equations. Take measurement…
Performance Valving: Learn About AccuTune, ProTune and Other Valving Options
July 24, 2015
AccuTune is the most accurate way to get your shocks setup correctly. Through decades of shock tuning and engineering we have created a set of equations that calculate the ideal…
The Difference Between Emulsion & Remote Reservoir Shocks
July 24, 2015
A brief review of shock design hierarchy needs to be included to paint a complete picture, emulsion monotube shocks are far superior to twin tube shocks in comfort, performance and durability…
How To Calculate New Preload And Springs By Using Existing Springs
July 24, 2015
If you have determined your coilover springs are the wrong rates, this article will walk you through how to take the proper measurements in order for us to calculate the correct rates…
How To Measure & Set Coilover Spring Preload
July 24, 2015
Getting the correct coilover spring preload is the first step in setting up your suspension. So what is preload? Preload is the initial (pre) tension (load) on your springs before carrying…
How To Choose Coilover Spring Rates
July 24, 2015
Spring selection is critical to the operation of your suspension. Springs hold your vehicle up, provide cornering roll resistance, and make sure the suspension droops out properly…
Suspension Terms
July 24, 2015
Air Bump – A shock designed specifically for preventing bottoming out.…
Spacer Lift vs Preload Spacer vs Coilover Preload
January 24, 2023
Upgrading suspension on your IFS Truck or SUV can get expensive quick, but don’t let the cheap spacer lift options fool you.
Tacoma & 4Runner Wheel Alignment
July 19, 2022
Lifting your Toyota Tacoma or 4Runner will almost always require a wheel alignment. Lets take a closer look how it all works.
IFS Upper Control Arms
July 19, 2022
Control arms are offered with a variety of different joints, bushings, construction materials and designs.
Toyota Tacoma & 4Runner Frequently Asked Questions
January 25, 2021
If you have a question about your Toyota Tacoma or 4Runner suspension, chances are we have it covered in this Tech Article. Click through to read more…
Fox vs King OEM Fit Coilovers | What’s the Difference?
May 12, 2020
Fox and King are two of the top off-road shock brands in the industry today. Are they practically the same or completely different? Read this article to find out!
Why are Coilover Spacer Lifts so bad?
February 13, 2020
A shock spacer lift is a cheap way to lift your Tacoma, 4Runner or Tundra, but can cause some serious issues…
KDSS Tech | Kinetic Dynamic Suspension System
January 21, 2020
What is KDSS? Can I lift my 4Runner with KDSS? How tall can I lift my KDSS equipped 4Runner?
Tacoma / 4Runner – Adjusting Preload FAQ
November 11, 2019
We get a lot of questions about Toyota Tacoma & 4Runner suspension systems. This page will be dedicated to helping customers like you, get the answers needed…
Coilover Spring Rates for Toyota Tacoma & 4Runner
March 28, 2019
We often get asked about whether or not someone needs 700lb springs for the front of their Tacoma or 4Runner. Usually this question is asked because the customer…
What Size Tacoma/4Runner Shocks Do You Need?
January 22, 2018
When it comes to performance off-road shocks for Tacoma’s and 4Runners it can be difficult to choose which shocks are right for your Toyota and your type of off-roading.…
HOW TO: Measure For Replacement Jeep Shocks
November 15, 2022
This article will help explain how to measure for new shocks on most Jeep Wranglers. Measuring for the correct length shocks will make sure you are getting the most performance out of your suspension.
Which Shocks for Your Jeep Wrangler? 2.0?, 2.5? or 3.0?
September 21, 2020
Choosing the right size shocks for your Jeep can be overwhelming. In this article, we will go over 2.0, 2.5 and 3.0 shocks and describe when they may be the best option for your Jeep.
Choosing The Right Length Jeep Wrangler JK Shocks
June 21, 2016
While tuning our Go Fast Fox Jeep JK shocks we realized that many people are selecting the wrong length shocks and leaving significant travel unused. It is common to choose Fox JK shocks by…
Fox vs King | 2021+ Bronco
July 24, 2023
Fox or King, which shocks are the best for you? Are they the same thing, just different colors or are they completely different? Read this article to find out!
Where We Shop
Recent Reviews
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Jeep Wrangler JL 3" Lift Kit, Stage 4
by Daniel Sullivan
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03+ 4Runner Mid Travel Suspension Kit, Stage 3A - Fox
by David Sousa
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Off Road Shock Tuning
by Tom More
