shock lengths -
Sign Up   Today's Posts
User: Pass: Remember?
Advertise Here
Jeep Home Jeep Forum Jeep Classifieds Jeep Registry JeepSpace Jeep Reviews Jeep Gallery Jeep Clubs Jeep Groups Jeep Videos Jeep Events Jeep Articles
Go Back > Models > Jeep Wrangler Forums > YJ Wrangler Technical Forum > shock lengths

Introducing MONSTALINER™ UV Permanent DIY Roll On Bed LineWeekend sale!! Our dual battery tray on sale $199FS: 2007-2013 Jeep Wrangler "HALO" Angel Eye Kit

Unread 03-04-2013, 08:08 PM   #1
Registered User
1993 YJ Wrangler 
Join Date: Jul 2003
Location: North of Atlanta, Georgia
Posts: 1,848
shock lengths

I have 2.5 OME springs, 5/8 lift shackles, extended front shock hoops up front, and a shock bar in the rear.

I went and took some measures from upper shock mount point to lower shock mount point and from bump stop to frame on a flat surface and ended up with these measurements.

Level Ground
Shock upper to shock lower 25"
bump stop to spring 5"
Shock upper to shock lower 20.5"
bump stop to spring 5"

i then flexed my front suspension until the rear tire came off the ground ever so slightly.

Front Compressed (bump stops in contact w/frame)
Shock upper to shock lower 19.5"
Front Extended
Shock upper to shock lower 28.5"

Rear Compressed (bump stops in contact w/frame)
shock upper to shock lower 16.5"
Rear Extended
shock upper to shock lower 21"

i was told it is ideal to "add/subtract 1/2-1" from the measurements so the shocks arent the limiting factor in extensions and aren't acting as the bump stop.


extended 28.5 + 1/2 29"
compressed 19.5 -1/2 19"

extended 21 + 1/2 21.5"
compressed 16.5 - 1/2 16"

does all this sound correct?
I need a front shock with extended length of 29" and collapsed length of 19" that has a ride height somewhere around 25"

I need a rear shock with extended length of 21.5" and collapsed length of 16" with a ride height of around 20.5"

I am interested in the "smooth body shocks" made by Fox for BDS. I believe they're called Fox 2.0 performance shocks. I need "loop ends on both ends"

98224660 (30/17.3)
98224920 (25.95/15.42)

What yall think?

Black 1993 YJ 4.0, 5 Speed
Slowly but surely getting better and better. Trailer build soon!!
kjg26 is offline   Reply With Quote Quick reply to this message
Unread 03-04-2013, 10:38 PM   #2
RIP one good jeeper
Anticanman's Avatar
1994 YJ Wrangler 
Join Date: Aug 2009
Location: Ripon, California
Posts: 20,369
Math looks ok to my tired eyes.
Luck Favours The Prepared
Anticanman is offline   Reply With Quote Quick reply to this message
Unread 03-05-2013, 06:38 AM   #3
Web Wheeler
Rproject's Avatar
1987 YJ Wrangler 
Join Date: Aug 2008
Location: Sandwich, IL
Posts: 2,759
With my OME 2.5" lift I went with Rancho RS5000's here: about half way down the page. I like 'em a lot. Haven't had a problem with them reaching their limits.
1996 White ZJ
1987 Maroon YJ (sideways build)
1996 Forest Green XJ

The "sideways" build thread:
Rproject is offline   Reply With Quote Quick reply to this message

Quick Reply

Register Now

In order to be able to post messages on the forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.
Confirm Password:
Email Address
Please enter a valid e-mail address for yourself.
Note: All free e-mails have been banned due to mis-use. (Yahoo, Gmail, Hotmail, etc.)
Don't have a non-free e-mail address? Click here for a solution: Manual Account Creation
Email Address:


Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.

Thread Tools

Jeep, Wrangler, Cherokee, Grand Cherokee, and other models are copyrighted and trademarked to Jeep/Chrysler Corporation. is not in any way associated with Jeep or the Chrysler Corp.