Here's what I'm running in the rear. Made all the difference after bolting a few hundred pounds of steel and 2 batteries to the rear of my Sporty.

The shocks are Pro Comp ES9000 series - #924515 . They are spec'd to fit the following vehicles (front shocks, I think):

1984-2010 Ford F-250, 1984-2010 Ford F-350, 1984-2010 Jeep Cherokee, 1984-2010 Jeep Grand Cherokee, 1984-2010 Jeep Wrangler

They're working for me. If you need a little more oomph in your shocks, give one of those sets a try...

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1997 Sportage 4x4, auto-trans, Warn manual hubs, 4" UPYOURKIA front lift, TJ 106AA rear springs, 2-5/8" body lift, 31x10.50 treads, SmittyBilt SRC front and XRC rear bumper, swing-out tire mount, OBX LSD front diff, Track Finder rear locker, 5.38 R&Ps and... really crappy gas mileage! <img src="/forums/images/graemlins/shiner.gif" alt="" />