Guide · 5 min read
Jeep lift kit basics: what you actually need at 2, 3.5 and 4+ inches
Lift height is the easy decision. The parts that keep the geometry correct at that height are where builds go wrong and money gets wasted.
Up to 2 inches
Coil spacers or slightly taller springs. Factory shocks usually survive, but longer bump stops and an adjustable track bar keep the axle centered.
Most 33-inch tire setups live happily here with minimal trimming.
2.5 to 3.5 inches
Add longer shocks, an adjustable front track bar, brake line extensions, and a transfer case lowering kit or slip yoke eliminator on TJ-era Jeeps.
Front control arms should be adjustable so caster can be brought back into spec — this is the difference between a stable Jeep and one that wanders at highway speed.
4 inches and up
Plan on a long-arm kit, a rear driveshaft with a CV joint, a steering upgrade, and re-gearing for the taller tires.
Budget for an alignment and a driveline angle check after everything is torqued to spec.
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