TJ Min. Lift and Backspacing Requirements

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TJ Min. Lift and Backspacing Requirements

Post  CMA_Rider on Wed Nov 28, 2012 2:10 am

Here are the minimum lift requirements for oversized tires.
235/75/15 or 28.8 - stock
30x9.50 - stock
31x10.50 - stock or 1" lift optional
32x11.50 - 1"-2" lift (1" expect to trim flares and expect rubbing) Factory wheels might work but a 4.5BS is recommended
33x10.50 - 2"-3" lift (2" expect to trim flares and expect rubbing add 1.25BL to solve) Factory wheels might work but a 4.5BS is recommended
33x12.50 - 2"-3" lift (2" expect to trim flares and expect rubbing add 1.25BL to solve) Factory wheels will work with 1.25" spacer, 4.5BS is recommended
33x13.50,14.50,15.50 - 2"-3" lift (1" expect to trim flares and expect rubbing) A 10" wide wheel with 3.75BS is NEEDED
35x12.50 - 3"-4" lift (a 1.25 body lift is advised for a 3"lift) 8" or 10" wide wheels wil work 4.5BS min. 3.75BS is recommended
37x12.50 - 4"-5" lift (a 1.25 body lift is advised for a 4"lift) 10" wide wheels is reccomended 3.75BS is reccomended

A lift is not needed for any tire up to 35" with a highlined tube fender kit or metalcloaks. 37's require a 2.5" lift
Any size larger than a 35 a axle swap is reccomended especially if you have a dana 35 rear end.
Any suspenion lift above 2" a Motor Mount Lift, Transfer-Case drop or SYE/CV will be required to elminiate driveline vibes.

Tummy tuck or Belly up skid plates, raise your lowest point on a stock TJ/Lj by 3" on average and a SYE/CV is required, 1.25" Body lift is recommended.
Do not excede 1.25 inches of Body Lift for safety reasons
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