Superlift K920/K920B/K920F 4" Suspension Lift Kit

Superlift K920/K920B/K920F 4
653.40In stock

2007-2018 Jeep Wrangler 2-Door (JK) 4WD Gas

Regular Price $768.70
Special Price $653.40
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Product Details

This kit is packed with a host of impressive features starting with new Pre-set American Made replacement front & rear coil springs that minimize settling, provide exceptional ride quality that are rate specific for 2 door models. Track bar angle increases as the vehicle is raised, and bar length becomes a real issue when lift height exceeds 2.5". The resulting track bar bind causes the chassis and axle to continuously "tug" against one another, resulting in uneven ride height (side-to-side), chassis / frame misalignment and unwanted "roll and yaw". Front track bar correction is accomplished via a new adjustable track bar. This route is preferred over using a relocation bracket because the bar's arc of travel must remain in sync with the drag link's arc of travel; if they get out of sync, steering wheel "kick" will result.

A track bar relocation bracket is used at the rear axle since there are no steering geometry issues to contend with. Jeep has had issues with rear factory track bar bracket-to-axle weld failures, so a weld-on brace is included. Compression travel is controlled via unique machined aluminum receiver cups in the front and replacement closed-cell foam dampeners in the rear. New front axle alignment cams, extended length sway bar links with factory style, tie-rod type upper ends, front / rear brake hose relocation brackets and emergency brake cable brackets are also included. Nothing is left unattended with this kit and it is packaged complete with a set of Superlift'superide Shocks!

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2007-20184WDJeepWrangler 2-Door (JK) Gas


  • Lift via pre-set coil springs; different, heavier rated coils for rear of 4-door.
  • Exclusive closed-cell foam dampeners prevent suspension over-compression.
  • Concave shaped front dampener receivers assure proper function.
  • Adjustable front track bar; relocation bracket for rear bar.
  • Correct length sway bar links with greasable, factory type ends.
  • Optional front sway bar disconnects.
  • Adjustable alignment cams correct caster angle.
  • Optional front Rockrunner links provide maximum ground clearance and articulation. Combination of greasable Urethane bushings and steel-encased rubber bushings provide the perfect balance of flexibility, noise-free operation and control. Upper and lower Rockrunner links are available for both front and rear axles.
  • Brake hose and emergency brake cable relocation brackets included.
  • Lifetime Warranty
  • Satisfaction Guarantee

Important Notes

  • Front and rear Rockrunner links are offered separately, see Options Listings.
  • lf JK 4" lift requires additional caster, order your choice of either #5724 or #5720.
  • Adjustable front track bar included in 4"