Well, they are finally installed just in time for a trip.
They do as advertised, set the seat back about 4", gives plenty of leg room.
Not too hard to install, read the directions, save time on the install.
I thought they were expensive, $87, including shipping.
I was too lazy to make my own.
Try them, you will stretch out your legs.

http://www.misch4x4.com/bigboy_brackets.html

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'06 Jeep Liberty Sport CRD with: GDE Hot Flash and Tranny Flash, ehm, Cummins fuel pump, 3" Magnaflow muff, Moog K3199's, Skids, 225-75-16 10 ply, OME springs, Euro T/C, Shift kit, Trans cooler w/thermal bypass, Bigboy bkt, Samco CAC, Brake controller, Trans temp gauge, Al's Upper Arms

Do these work on the KJ's? do they raise the seat height any?

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2006 CRD Sport

Definately improves the legroom.

Not to be too paranoid but I don't suppose these are crash tested? The forces seen by the seat anchorages in even a mid speed collision are tremendous. Remember the buckles on most vehicles, inboards our KJs and TJs included, are mounted to the seats.

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1998 TJ Gasser - Just for fun!

Sold in January 2012:
2005 Sport CRD
New to me March, 2007 w/22k miles
165,000 miles and still going strong
Factory Tow Package, Added Courtesy Lamps,
New Style Mopar Fuel Head,
Cooper Discoverer ATR
Mopar Slush Mats (JUNK!), Fumoto Oil and T-Case Drain Valves

Put the welded on section down in the front to minimize the seat raising. http://www.lostjeeps.com/forum/phpBB3/vie ... hp?t=29209

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2006 Pearl Green CRD
Magnaflow 2 1/2" Cat Back
KJ Extra Leg Room Brackets, Carter Lift Pump, V6 Airbox, ORM
Fuel cooler, Oil Separator, Progard 7
Gauges EGT Boost Trans Temp Oil Pres, Michelin LXT AT2 245 70 R16
7,000# Draw Tight hitch, PML EX Deep Trans Pan
Centrifuge, SunCoast, Transgo, RAM TCM, InMotion Stage 2
Wife's 99 TDI VW Beetle