SuperLift 4″ Suspension Lift Kit with Fox Shocks for Jeep Wrangler JK 2007-2018 4 Door

SKU: K928F


SuperLift 4″ Suspension Lift Kit with Fox Shocks for Jeep Wrangler JK 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 – 4 Door

Part: K928F

  • 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 REFLEX 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 REFLEX Control Arms provide maximum ground clearance and articulation. Upper and lower REFLEX Control Arms are available for both front and rear axles.
  • Brake hose and emergency brake cable relocation brackets included.
  • Lifetime Warranty
  • Satisfaction Guarantee

Tire and Wheel Info

35×12.50 tires on a 17″ or larger wheel with 3.25″ to 4.75″ backspacing.

IMPORTANT DISCLAIMER: The provided tire/wheel fitments are approximate.

Actual dimensions of a given tire size can vary considerably from one brand to another.

Manufacturers’ wheel offset and backspacing measurement points are not always consistent.

Backspacing greatly impacts tire-to-fender clearance when turning.

Wheel width and backspacing influence whether the tires protrude past the fenders, and to what extent.

Considering these important factors, we recommend that you fit-check your tire/wheel selection prior to purchasing.

Installation Notes

Front and rear REFLEX Control Arms are offered separately, see Options Listings.

Adjustable REFLEX front track bar included.

Rubicon models must order 5712 front sway bar

Installation Instructions

Product Overview

The 4″ lift for the Jeep Wrangler JK sets the standard for performance both on road and off. Pre-set replacement coil springs minimize settling, provide exceptional ride quality and the rear coils are rate specific for 2 or 4 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 REFLEX 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. 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 “base” kit and it is packaged complete with Superide, Superide SS Series by Bilstein or FOX Shocks.

Options include: front and rear REFLEX Control Arms, longer fixed-length lower link arms, front sway bar quick disconnects, rear REFLEX adjustable track bar, and factory replacement, high-clearance single or high-clearance dual steering stabilizers. Each stabilizer design is available with Superlift Superide or SS series cylinders by Bilstein.

Fitment Table

Year Range Make Model Drivetrain Engine Cab
2007-2018 Jeep Wrangler (JK) 4WD 4-Door

if you are interested in getting Bilstein shocks instead, here is the lift kit with Bilstein Shocks:

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