Ratings
on the front you have
925s at 350 lb
926's at 375 lb
927s at 400 lb
and 790s at 500 lb ( for the CRD KJs)
stock is 310 lb for the front
in the rear you have light duty which is basically stock rating
and the medium duty which is what you want to use

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MUDD'S MOTORSPORT'S We do IFS lift installs ,
03 OVERLAND EDITION /Kilby-Skidrow-Mopar-4XGuard skids/ 2.5 inch TOTAL CONTROL JBA coilovers -JBA Arms/MOABS-31 FALKEN WILDPEAK AT3W / 4.10's etc, 04 Kilimanjaro Edition loaded, plus 05 KJ limited