Mike1998XJ

XJ/MJ Coil Spring Rates


Here is a bit of info to help you decide (info provided by each manufacture directly);

OEM XJ Coil - 145
BDS 3" XJ Coil - 240
DPG 5" XJ Coil - 198
OME 930 XJ Coil (aprox 2") - 160
OME 934 ZJ Coil (aprox 3" on XJ) - 180
TeraFlex 3.5" XJ Coil - 170
TeraFlex 4.5" XJ Coil - 200
Rustys 3" XJ Coil - 150
Rustys 3" HD XJ Coil - 180
Rustys 4.5" XJ Coil - 150
Rustys 4.5" HD XJ Coil - 180
Rustys 6" XJ Coil - 180
Rustys 9" XJ Coil - 180
Rubicon Express 3.5" XJ Coil - 241
Rubicon Express 4.5" XJ Coil - 169
Rubicon Express 5.5" XJ Coil - 185
Rancho 2.5" XJ Coil - 235
Skyjacker 3" XJ Coil - 218
RockKrawler 3" XJ Coil - 180
RockKrawler 4.5" XJ Coil - 180
RockKrawler 6" XJ Coil - 180
Motion Offroad 3" XJ Coils - 165
Motion Offroad 4.5" XJ Coils - 165
Motion Offroad 6" XJ Coils - 165


REMEMBER THAT THE COIL SPRING RATE DOES NOT DETERMINE 100% OF RIDE QUALITY!!! IT VARIES GREATLY BASED ON THE SHOCKS YOU RUN!!! NOT TO MENTION CONTROL ARM ANGLES!

XJ Leaf Spring Rates

OLD MAN EMU-CS034RA (OMEJC1A) 5 leaves in pack, 148lbs/inch s.r. 230mm (9.055") free height= Average lift of ~3"
OLD MAN EMU-CS034RB (OMEJC1B) 5 leaves in pack, 148lbs/inch s.r. 205mm (8.07") free height
OLD MAN EMU-CS035RA (OMEJC2A) 4 + 1 overload, 137/257lbs/in s.r. 235mm (9.25") free height
OLD MAN EMU-CS035RB (OMEJC2B) 4 + 1 overload, 137/257lbs/in s.r. 210mm (8.27") free height
OLD MAN EMU- D22XL (OME Add A Leaf) ~ 1" lift on top of their lift packs
Old Man Emu springs (+) = driver side (-)= passenger side

Rubicon Express RE1463 3.5" (6 leaf pack) = 190lbs/in
Rubicon Express RE1462 4.5" (6 leaf pack) = 190lbs/in

DPG Off Road -XJ35-0 DPG TrailGunner 5" Leafs (7 leaf pack) = 233lbs/in


REMEMBER THAT THE LEAF SPRING RATE DOES NOT DETERMINE 100% OF RIDE QUALITY!!! IT VARIES GREATLY BASED ON THE SHOCKS YOU RUN!!! NOT TO MENTION SHACKLE ANGLES!