The Rock Krawler JL 4.5 T-Rex Systems are for those JL 2 Door Owners looking to get the best off road ability without modifying the fuel system. It features a X Factor mid arm front suspension system combined with a X Factor long arm rear system. The rear system provides the tried and true independent 3 link conversion with X2 rear suspension geometry. New high clearance axle mounts provide 4.5 inches of ground clearance under the rear axle as compared to stock. Rear upper shock relocation brackets ensure you do not lose any shock travel. The combination of high clearance mid arm front suspension and high clearance rear long arm suspension makes your 2 Door JL tough to beat on the trails. And if the day ever comes where you want to modify the fuel system and go full long arm suspension, you have that option.
System Benefits:
Excellent Highway Ride
Improved Off-Road Ability
2.25" RRD Socks
Triple Rate Coil Springs
Front & Rear Spring Leveling Pads
Lifetime Warranty on All Hard Parts
Upgradeable to Rock Krawler Full JL Long Arm
Jeep remains level on all 4 corners
System Includes:
(1) Adjustable front Anti-wobble trac bar
(2) X Factor adjustable front lower mid arms
(2) Adjustable front upper mid arms
(1) Front sway bar disconnect kit
(4) 2.25" RRD shocks
(4) Triple rate coil springs (front & rear)
(4) Spring correction seats
(2) Weld-on frame side rear long arm mounts
(2) X Factor adjustable rear long arms
(1) Rear upper frame mount
(1) Adjustable rear upper control arm
(2) Rear extended sway bar links
(1) Adjustable rear track bar
(2) Rear upper shock mount
(2) Weld-on rear axle side control arm mount
(1) Weld-on rear track bar mount
(1) Weld-on rear truss
(2) Rear brake line relocation bracket
Lift Height:
All lift heights are based on stock Rubicon models
Sahara add .393" of lift over stock configuration
Sport add .787" of lift over stock configuration
Tire Fitment:
Sport and Sahara with Full OEM Fenders
38in Tall Tires (4in Bump Stop Height Recommended)
Sport and Sahara with Trimmed or High Lined OEM Fenders
40in Tall Tires (4in Bump Stop Height Recommended)
Rubicon with Full OEM Fenders
39in/40in Tall Tires (4in Bump Stop Height Recommended)
Rubicon with Trimmed or High Lined OEM Fenders
42in Tall Tires (4in Bump Stop Height Recommended)
Wheel Fitment:
Sport and Sahara Wheel Fitment Recommendations
38in Tall Tires - Recommend 3.5in of Backspacing
Rubicon Fitment Recommendations
39in Tall Tires Ð Recommend 4.0in of Backspacing
42in Tall Tires Ð Recommend 3.5in of Backspacing
Shock Notes:
Generic Front Shock Length Ð 18-19" Collapsed/ 31" Maximum Extended
Generic Rear Shock Length - 19" Collapsed/ 32Ó Maximum Extended
General Notes:
*Requires the use of Steersmarts XD Yeti HD Bottom Mount Drag Link for Off-Road Use
*All lift heights based on Sport Models For 2 Doors
*Recommend a new front C.V. driveshaft
*Requires welding of the Rear Long Arm Mounts
*Requires removal of the OEM frame rear control arm mounts
*Requires removal of the OEM axle side rear lower control arm and track bar mounts
*Requires modifying the OEM rear shock mounts and welding of the raised rear upper shock mounts
*Recommend installing limiting straps to avoid over extension of suspension components after vehicle is all set up.
