Rock Krawler 3.5 Inch Flex Lift Kit System
JL 4xe
Product Resources
Features & Product Details
The Rock Krawler JL 3.5 Flex System was designed for 4XE owners who want an easy bolt-in installation, minimal maintenance and the durability and off-road performance you expect from Rock Krawler Suspension. The X Factor Series adjustable lower control arms offer a total of 90 degrees of misalignment that drastically reduces the bind inherent in JL factory lowers. Rock Krawler’s industry leading triple rate coils give you 3.5" of lift to clear up to 40" 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 reduce 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:
System Includes:
(4) Triple rate coil springs (Tuned specifically for 4XE)
(2) Front adjustable lower control arms
(2) Front spring pads
(1) Adjustable front track bar
(2) Front sway bar disconnects
(2) Sway bar link relocation brackets
(2) Sway bar disconnect straps
(2) Rear spring pads
(2) Extended rear sway bar links
(1) Bolt-on rear track bar relocation bracket
Shock Notes:
Generic Front Shock Length – 17.8” Collapsed/ 29.3” Maximum Extended
Generic Rear Shock Length – 18.3” Collapsed/ 30.3” Maximum Extended
Tire Fitment:
Sport and Sahara with Full OEM Fenders
37” Tall Tires (3” Bump Stop Height Recommended)
Sport and Sahara with Trimmed or High Lined OEM Fenders
38” Tall Tires (3” Bump Stop Height Recommended)
Rubicon with Full OEM Fenders
37”/38” Tall Tires (3” Bump Stop Height Recommended)
Rubicon with Trimmed or High Lined OEM Fenders
40” Tall Tires (3” Bump Stop Height Recommended
Wheel Fitment:
Sport and Sahara Wheel Fitment Recommendations
37”/38” Tall Tires - Recommend 3.5” of Back Spacing
Rubicon Fitment Recommendations
37” Tall Tires – Recommend 4.5” of Back Spacing
40” Tall Tires – Recommend 3.5” of Back Spacing
General Notes:
*All lift heights based on Rubicon 4XE models for standard style build (i.e. front bumper and winch, rear bumper and full size spare).
*If building with a spare delete we recommend dropping 1” in coil lift height for the rear.
*If building an overland or heavily upfitted build in the back, we recommend upsizing 1” in coil lift height for the rear.
*Recommend a new front C.V. driveshaft for all front shocks with max. extended length greater than 29”
*Requires 3" bump stops both front and rear