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Rock Krawler JLU 2.5 Inch Adventure Series 3 System 18-Pres Wrangler JL JL25AS3-4

The Rock Krawler JL 2.5 Adventure Series 3 Mid Arm System was designed for those who want an easy bolt-in installation, excellent on-road ride and the durability and the off-road performance you expect from Rock Krawler Suspension. The Adventure Series fixed lower control arms offer a total of 60 degrees of misalignment that greatly reduces the bind inherent in JL factory lowers, while high misalignment adjustable upper control arms let you precision tune your JL’s caster both front and rear.

Rock Krawler’s industry leading triple rate coils give you 2.5 inch of lift to clear up to 38 inch tires, depending on model, and improve the on-road ride over the factory linear rate springs. All Rock Krawler JL systems include correction pads that help minimize the spring bow inherent in the factory set up. The provided track bar geometry corrections, both front and rear, lets you perfectly center the axles so there is no compromise in on road handling.
System Benefits:

  • Complete Bolt in System
  • Excellent Highway Ride
  • Improved Off-Road Ability
  • Triple Rate Coil Springs
  • Front and Rear Spring Leveling Pads
  • Lifetime Warranty on All Hard Parts
  • Upgradeable to Rock Krawler JL Long Arm

System Includes:
(4) Triple rate coil springs
(2) Front Adventure Series lower control arms
(2) Front adjustable upper control arms
(2) Front spring pads
(1) Adjustable front track bar
(2) Rear Adventure Series lower control arms
(2) Rear adjustable upper control arms
(2) Rear spring pads
(2) Extended rear sway bar links
(1) Bolt-on rear track bar relocation bracket
Lift Height

  • All lift heights are based on stock Rubicon models
  • Sahara add .393 Inch of lift over stock configuration
  • Sport add .787 Inch of lift over stock configuration

Tire Fitment:
Sport and Sahara with Full OEM Fenders
35 inch Tall Tires (2 inch Bump Stop Height Recommended)
Sport and Sahara with Trimmed or High Lined OEM Fenders
37 inch Tall Tires (3 inch Bump Stop Height Recommended)
Rubicon with Full OEM Fenders
37 inch Tall Tires (2 inch Bump Stop Height Recommended)
Rubicon with Trimmed or High Lined OEM Fenders
38 inch Tall Tires (Up to 40 inch Tall Tires for Ultra Low COG Stance) (3 inch Bump Stop Height Recommended)
Wheel Fitment:
Sport and Sahara Models
35 inch Tall Tires – Recommend 4.5 inch of Back Spacing
37 inch Tall Tires – Recommend 3.5 inch of Back Spacing
Rubicon Fitment Models
37 inch Tall Tires Recommend 4.5 inch of Back Spacing
38 inch/40 inch Tall Tires Recommend 3.5 inch of Back Spacing
Shock Notes:
Generic Front Shock Length 17-18 inch Collapsed/ 29 inch Maximum Extended
Generic Rear Shock Length – 19-20 inch Collapsed/ 32 inch Maximum Extended
General Notes:
All lift heights based on Rubicon Models

$1,782.48 $1,876.29

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SKU: JL25AS3-4 Category: Brand:

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