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Rock Krawler 4.5" X Factor Stage 1 Suspension System - JL45XF-4S1

Specifications

  • Rock Krawler | Part Number: RKSJL45XF-4S1
  • New_Products:New

PRODUCT OVERVIEW

The Rock Krawler JL 4.5 X Factor Stage 1 Mid Arm System was designed for those who want a complete bolt-in installation, maximum articulation from a mid-arm kit 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 eliminates the bind found in your JL's 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 4.5" of lift to clear up to 42" 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.

Tire Fitment:
Sport and Sahara with Full OEM Fenders
38" Tall Tires (4" Bump Stop Height Recommended)
Sport and Sahara with Trimmed or High Lined OEM Fenders
40" Tall Tires (4" Bump Stop Height Recommended)
Rubicon with Full OEM Fenders
39"/40" Tall Tires (4" Bump Stop Height Recommended)
Rubicon with Trimmed or High Lined OEM Fenders
42" Tall Tires (4" Bump Stop Height Recommended)

Wheel Fitment:
Sport and Sahara Wheel Fitment Recommendations
38" Tall Tires - Recommend 3.5" of backspacing
Rubicon Fitment Recommendations
39" Tall Tires Recommend 4" of backspacing
42" Tall Tires Recommend 3.5" of backspacing

Shock Notes:
Generic Front Shock Length 18-19" Collapsed/ 31" Maximum Extended
Generic Rear Shock Length - 19" Collapsed/ 32" Maximum Extended

General Notes:
*Required Steersmarts XD Yeti HD Bottom Mount Drag Link for Hard Off Road Use
*All lift heights based on Sport Models
*Recommend a new front C.V. driveshaft for all front shocks with max. extended length greater than 29"
*Requires welding of the Front and Rear Long Arm Mounts
*Requires removal of the OEM frame side lower front and rear control arm mounts
*Requires removal of the OEM frame side front upper control arm mounts
*Recommend installing limiting straps to avoid over extension of suspension components after vehicle is all set up.

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Manufacturer

Rock Krawler is located in the United State's North East region where all their Jeep suspension products are designed and manufactured. In the North East Rock Krawler is the premier suspension modification choice for Jeeps. The Rock Krawler team does many custom Jeep lift kits for private clients. Then Rock Krawler takes what works best on those one-off Jeeps and applies it to the mass produced products coming out of their production facility. Rock Krawler is so confident about how clean, efficient and precise their production methods are, that their website invites visitors to the North East to stop by for a tour of the production facility. Shop Rock Krawler Now

This Product Fits the Following:

  • 2019 Jeep Wrangler (JL) Unlimited Rubicon  
  • 2019 Jeep Wrangler (JL) Unlimited Sahara  
  • 2019 Jeep Wrangler (JL) Unlimited Sport  
  • 2019 Jeep Wrangler (JL) Unlimited Sport S  
  • 2019 Jeep Wrangler (JL) Unlimited Moab  
  • 2018 Jeep Wrangler (JL) Unlimited Sport  
  • 2018 Jeep Wrangler (JL) Unlimited Sport S  
  • 2018 Jeep Wrangler (JL) Unlimited Sahara  
  • 2018 Jeep Wrangler (JL) Unlimited Rubicon  
  • 2018 Jeep Wrangler (JL) Unlimited Moab  

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