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PART #

DESCRIPTION

27821EP

18-UP JL 2.5” LIFT FRONT REMOTE  

RESERVOIR 2.5 CDEV SHOCK PAIR

27821EP INSTALLATION INSTRUCTIONS

WARNING!

** READ ALL INSTRUCTIONS THOROUGHLY FROM START TO FINISH 

BEFORE BEGINNING INSTALLATION! IF THESE INSTRUCTIONS ARE 

NOT PROPERLY FOLLOWED SEVERE FRAME, SUSPENSION AND TIRE 

DAMAGE MAY RESULT TO THE VEHICLE!

** ICON VEHICLE DYNAMICS RECOMMENDS THAT YOU EXERCISE 

EXTREME CAUTION WHEN WORKING UNDER A VEHICLE THAT IS 

SUPPORTED WITH JACK STANDS.

** ICON VEHICLE DYNAMICS RECOMMENDS ALL INSTALLATION TO 

BE PERFORMED BY A PROFESSIONAL SHOP/SERVICE TECHNICIAN. 

PRODUCT FAILURE CAUSED BY IMPROPER INSTALLATION WILL NOT BE 

COVERED UNDER ICON’S WARRANTY POLICY.

1. 

Using a properly rated jack, raise the rear of the vehicle and support the frame rails with jack stands. Ensure the jack stands are 

secure and set properly before lowering the jack. NEVER WORK UNDER AN UNSUPPORTED VEHICLE. Remove the rear wheels.

2. 

Remove the factory front shock using a 18mm. 

[FIGURE 1]

3. 

Using factory hardware, install the 2.5” front shocks with the long spacers towards the frame. Shocks are labeled DRVR & PASS. 

Use a 18mm and torque to factory spec. 

[FIGURE 2]

COMPONENTS INCLUDED

(1) 124953ED 18+ JL 2.5” LIFT FRONT REMOTE 

RESERVOIR 2.5 CDEV SHOCK DRVR

(1) 124953EP 18+ JL 2.5” LIFT FRONT REMOTE 

RESERVOIR 2.5 CDEV SHOCK PASS

(1) 120050D 18+ JL JT RESI MOUNT DRVR

(1) 120050P 18+ JL JT RESI MOUNT PASS

(1) 120052D 18+ JL JT RESI HEAT SHIELD DRVR

(1) 120052P 18+ JL JT RESI HEAT SHIELD PASS

(1) 611051 STAINLESS HOSE CLAMP KIT

HARDWARE INCLUDED

(18) 605004 #10 SAE FLAT WASHER

(6) 605036 10-32 X .500 BUTTON HEAD SCREW

(6) 605042 10-32 NYLOCK NUT

(4) 605144 3/8-12 X .75 FLANGED SELF TAPPING 

SCREW

ADDITIONAL COMPONENTS 

(1) 255604-04  4-FT WIRE

(1) 255604-10  10-FT WIRE

TOOLS REQUIRED

FLOOR JACK

OSCILLATING SAW

TORQUE WRENCH

11/32 DRILL BIT

CENTER PUNCH

1/8” ALLEN

3/8” SOCKET / WRENCH

5/16” SOCKET / WRENCH

9/16” SOCKET / WRENCH

18MM SOCKET / WRENCH

TECH NOTES

1. THIS SHOCK REQUIRES AT LEAST 1” OF BUMPSTOP SPACER TO AVOID DAMAGE.

2. YOUR ICON SHOCK ASSEMBLIES COME FACTORY CHANGED TO 150 PSI. RELEASING NITROGEN 

PRESSURE MAY LEAD TO SHOCK MALFUNCTION AND REDUCED RIDE QUALITY. FAILURE CAUSED BY 

LOW NITROGEN PRESSURE IS NOT COVERED UNDER ICON’S WARRANTY POLICY. 

3. WIRE LENGTHS ARE MEASURED FOR A 3.6L V6 4 DOOR.

 INSTALLATION

7929 Lincoln Ave.  Riverside, CA 92504

Phone: 951.689.ICON | Fax: 951.689.1016

FIG.1

FIG.2

7-22-2022 REV.B

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