4in Jeep Lift Kit | LJ Series

4in Jeep Lift Kit | JL Unlimited

Starting At*: $740 - $1,600
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  • This is a complete 4” lift kit for the 2018 Jeep Wrangler JL Unlimited, including Rubicon
  • This kit lifts the front 4 inches and the rear 3 for a more level stance.
What does it include?
  • Location specific coil springs, lower link arms, front track bar bracket, compression stop spacers, shock extension brackets or Fox Shocks, sway bar links, and all hardware specific for the 2018 Jeep Wrangler JL Unlimited
  • Detailed instruction manual walking you step-by-step through the lift kit installation procedures suitable for do-it-yourselfers (DIY) or professional installation

Superlift’s 4-inch lift kit for the 2018 Wrangler JL Unlimited is the first 4-inch lift kit on the market with replacement coil springs that are location specific. Through specialized testing, Superlift’s engineers determined that the same coil spring cannot be used side to side. These new springs will guarantee an excellent ride quality and even stance.

To complement the JLU coils, the kit also includes lower link arms, front track bar bracket, shock extension brackets or Fox Shocks, bump stop spacers, and longer sway bar links. The Fox Shocks or shock brackets allows the maximum amount of extension travel without driveshaft bind and the compression stop spacers prevent tire rub during full compression.

Features:

  • Location Specific Coil Springs
  • Shock Extension Brackets or Fox Shocks
  • Compression Stop Spacers
  • Extended Sway Bar Links
  • Adds clearance for 35-37” tires
  • Backed by our Limited Lifetime Warranty

 

Benefits:

  • Designed using location specific coils.
  • Jeep remains level on all 4 corners
  • Shock brackets maximize extension travel
  • Vehicle Specific Fox Shocks
  • Compression stop spacers prevent tire rub under full compression

NOTE: 40" Tire on a Rubicon model may require slight plastic trimming on the rear fender well.

Tire Wheel Backspacing Offset
35 x 12.5 17 x 9 4-4.75 -
35 x 12.5 18 x 9 4-4.75 -
35 x 12.5 20 X 9 4-4.75 -
37 x 12.5 17 x 9 4-4.75 -
37 x 12.5 18 x 9 4-4.75 -
37 x 12.5 20 X 9 4-4.75 -
40 x 13.5- Rubicon Only 17 x 9 4-4.75 -
40 x 13.5- Rubicon Only 18 x 9 4-4.75 -
40 x 13.5- Rubicon Only 20 X 9 4-4.75 -
35 x 12.5 17 x 9 4-4.75 -
35 x 12.5 18 x 9 4-4.75 -
35 x 12.5 20 X 9 4-4.75 -
37 x 12.5 17 x 9 4-4.75 -
37 x 12.5 18 x 9 4-4.75 -
37 x 12.5 20 X 9 4-4.75 -
40 x 13.5- Rubicon Only 17 x 9 4-4.75 -
40 x 13.5- Rubicon Only 18 x 9 4-4.75 -
40 x 13.5- Rubicon Only 20 X 9 4-4.75 -

NOTE: 40" Tire on a Rubicon model may require slight plastic trimming on the rear fender well.

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 time: 5 hours
  • Difficulty level: 2 of 5

NOTE: 40" Tire on a Rubicon model may require slight plastic trimming on the rear fender well.

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