FRONT Stock Light Load (0-80LBS) 1.0" (OME-2931), FRONT Medium Load (80-160LBS) .75" (OME-2930), FRONT Heavy Load (90-180LBS) 1.0" (OME-2934), REAR Medium Load 1.0" (OME-2940), REAR Heavy Constant Load (220LBS +) .75" (OME-2943-H), (Front) 3.5" Lift Coil Springs 3" – 4.5" Lift Range, Gray, Pair of 2 (RE1341), (Rear)3.5" Lift Coil Springs 3" – 4.5" Lift Range, Gray, Pair of 2 (RE1343), (Front) 4" – 5.5" Lift Range, Gray, Pair of 2 (RE1345), (Rear) 4.5" Lift Coil Springs 3" – 4.5" Lift Range, Gray, Pair of 2 (RE1350)