4"/5" Hydroshox Kit Part Ride Control

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Part 87452

Do you want the look of airbags but don't want to wait for the air compressor all the time? Do you like the instant response of hydraulics but want to maintain good ride quality? Do you want to keep your trunk or truck bed space to use for something other than batteries, pumps, valves, or air tanks?

Then you need Hydroshox!

Mittler Bros Machine & Tool has combined the raise and lower ability of hydraulics with the latest coil-over shock technology providing the ability to raise and lower your vehicle up to 5" instantly while maintaining a comfortable ride at any height.

The CNC machined bodies are nickel plated for good looks and corrosion resistance and with a 2-7/8" diameter upper tube can be installed even in tight places. They include up to 5" of hydraulic travel as well as 3" of shock travel with coil-over spring rates available from 400# to 2000#. The included 12v hydraulic pump is very compact allowing a clean installation under the vehicle in most cases. A billet aluminum hydraulic manifold with included flow controls can operate all 4 corners independently.

Mittler Bros has paired the AccuAir E-Level+ to the Hydroshox to provide height control for your vehicle! As one of the most highly anticipated, next-generation suspension controllers, AccuAir’s e-Level+ allows you to take your Hydroshox system to the next level. AccuAir’s ECU+ can be used with the Touchpad+ inside the vehicle, and can also allow you to have wireless control over your Hydroshox system through the E-Level+ app. The Touchpad+ allows you to easily control your Hydroshox from the palm of your hand from inside your vehicle. With the TouchPad+ you can have individual 4 corner control, or you can use the 1,2, and 3 buttons to automatically adjust your ride height to your predetermined height setup. This kit only includes the Hydroshox kit and the components needed to adapt your E-level+ components to the Hydroshox including the sensor mounts, guide rods, sensors, pump relays and wiring harnesses. It does not include the necessary AccuAir components including the AA-3640 Touchpad+, AA-3638 ECU+, or the AA-3674 adapter harness required to operate the Hydroshox kit.

Hydroshox kits are not vehicle specific. The end user is responsible for selecting the kit that will work best for their car and fabricating shock mounts to make the system fit if necessary. Detailed drawings of the shocks and additional components can be found under the Manuals tab. How the shocks are mounted has a big effect on what spring rate will be required. Use this spring rate calculator (Click Here to calculate spring rate) to help you determine what spring rates you will need for your particular vehicle and mounting location.

This kit was designed to pair with the Accuair E-Level+ and Accuair Touchpad + systems (not included) to provide height control for your Hydroshox equipped vehicle!


  • Nickel-plated bodies
  • Chrome plated shock shafts
  • 3" shock travel
  • 12v hydraulic pump with aluminum 3-quart remote fluid reservoir
  • Billet hydraulic manifold with flow controls and solenoid valves to control
  • 4 corner control
  • Braided stainless steel hydraulic lines
  • 4" or 5" hydraulic travel available
  • Spring rates are available from 400# - 2,000# (Click Here to calculate spring rate)


  • (2) 4" Travel & (2) 5" Travel Hydroshox
  • (4) Coil Springs (specify rate)
  • (1) 12v hydraulic pump
  • (1) Remote fluid reservoir
  • (1) Billet hydraulic manifold with flow controls and solenoid valves
  • (5) Quarts of hydraulic oil
  • DIY bulk stainless braided hose and all fittings
  • (1) Sensor wiring harness
  • (1) Power wiring harness
  • (8) Upper Sensor Mounts
  • (4) Lower Sensor Mounts
  • (4) Linear Potentiometers
  • (4) Guide Rods
  • (1) Pump Relay Bank
  • Installation instructions


Product Manual 4-Inch-Hydroshox.pdf

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