Jeep Wrangler & Gladiator
Performance Parts

A 2.5-inch lift is the most popular choice, fitting 35-inch tires without major modifications. For 37s, go with a 3.5-4 inch lift. TeraFlex and Bilstein kits include proper geometry correction to prevent death wobble and maintain drivability.

Start with a quality lift and tires, then add recovery points, skid plates, and off-road lighting (KC HiLiTES or Rigid). A front winch-ready bumper and a differential cover upgrade are smart additions. Rock sliders protect your body panels on the trail.

If you go from stock tires to 35s or larger, regearing is highly recommended to restore power delivery and fuel economy. The 3.6L Pentastar typically needs 4.56 or 4.88 gears with 35-inch tires. Without regearing, you will notice sluggish acceleration and higher RPMs on the highway.

Wranglers rarely need a simple leveling kit since they sit level from the factory, so most owners go straight to a suspension lift. A 2.5-inch lift from TeraFlex or Bilstein fits 35 inch tires and improves trail clearance while including geometry correction to help prevent death wobble. A budget spacer lift can add height cheaply but does not improve articulation or damping.

A cold-air intake adds a modest 5-10 horsepower on the 3.6L Pentastar and improves throttle response and intake sound. The bigger benefit for many Jeep owners is a sealed airbox and better filtration for dusty trail conditions. It is an easy bolt-on upgrade, though it will not transform performance the way a lift and larger tires transform capability.

A 2.5-inch lift comfortably fits 35 inch tires on most JL and JK Wranglers with minimal or no trimming. Some owners squeeze 37s with fender modifications and careful backspacing, but 35s are the sweet spot for clearance and drivability. Remember that moving to 35s usually calls for regearing to restore power and fuel economy.

A quality 2.5-inch suspension lift kit typically runs a few hundred to over a thousand dollars for the components, with premium TeraFlex and Bilstein kits at the higher end. Add professional installation, an alignment, and new tires and wheels, and a complete build often lands in the mid-thousands. Budget spacer lifts cost less but sacrifice ride quality and articulation.