Rock Krawler 2.5" X-Factor Mid Arm System for 07-18 Jeep Wrangler JK
Proven Mid Arm Geometry: Improves axle positioning and suspension movement for better traction and stability on demanding terrain.
Heavy‑Duty Construction: Built with thick‑wall materials and Rock Krawler’s high‑strength joints to withstand hard trail use and repeated abuse.
Adjustable Control Arms: Allows proper axle centering and suspension tuning for consistent handling both on pavement and off‑road.
Balanced Trail and Street Performance: Maintains predictable steering feel while delivering the articulation needed for rocks, ruts, and uneven surfaces.
Made in the USA: Designed, engineered, and tested by a brand trusted by serious Jeep enthusiasts.
Built for Jeep owners who demand control and confidence when the trail gets technical, the Rock Krawler 3.5" X‑Factor Mid Arm Suspension System for the Wrangler JK delivers a balanced mix of strength, articulation, and on‑road stability. This system is engineered around Rock Krawler’s proven X‑Factor geometry, allowing your JK to maintain proper suspension alignment while navigating steep climbs, uneven terrain, and high‑speed dirt roads. From rocky ledges to long trail days, the mid arm design improves axle control without sacrificing drivability.
Designed and manufactured in the USA, this suspension system uses heavy‑duty components and trail‑tested joints to handle punishment far beyond factory limitations. Adjustable control arms allow for precise tuning, helping keep the Jeep planted whether crawling slowly or cruising between trail systems. The result is a Wrangler JK that feels composed, predictable, and capable no matter where the adventure leads.
Level 3Advanced- We typically recommend 4.5" of back spacing on rims for 33", 35", and 37" tall tires
- For 2012 and newer models an aftermarket front driveshaft with 2" O.D. steel tubing is recommended, but not required
- The X Factor System allows the rear axle to be pushed back up to 1" over stock which perfectly centers the rear axle assembly under typical aftermarket flat fenders. It also allows for larger tires without contacting the rock sliders or rear pinch seam
- (4) Long travel functional multi rate coil springs
- (2) Double adjustable track bars made from 1.5" solid alloy steel with Anti-Wobble joints
- (4) High clearance adjustable lower control arms made of 1.625" solid alloy steel
- (2) High misalignment double adjustable front upper control arms made from 1.25" solid alloy steel
- (2) High misalignment double adjustable rear upper control arms made from 1.25" solid alloy steel
- (2) Adjustable front sway bar disconnects
- (2) Rear extended sway bar links
- (1) Rear track bar relocation bracket
- (4) Long travel stainless steel brakes
- (1) Pair of sway bar link straps
- (2) Rear coil spring degree wedges
- (2) Front RRD 2.0 Prodigy shocks (when selected)
- (2) Rear RRD 2.0 Prodigy shocks (when selected)
- Includes all Hardware and detailed Instructions
- Color: Black
- Features: Adjustable Control Arms, Front Sway Bar Disconnects
- Shocks Included: Without Shocks or With Shocks
- Max Tire Size: 35
- Lift Height Range: 0 - 2.5 inch
- Included Parts: Brake Line Extensions, Coil Springs, Extended Brake Lines, Front Lower Control Arms, Front Track Bar, Front Upper Control Arms, Hardware, Rear Lower Control Arms, Rear Track Bar Bracket, Rear Upper Control Arms, Sway Bar Endlinks or Brake Line Extensions, Coil Springs, Extended Brake Lines, Front Lower Control Arms, Front Track Bar, Front Upper Control Arms, Hardware, Rear Lower Control Arms, Rear Track Bar, Rear Upper Control Arms, Sway Bar Endlinks
Jeep Wrangler 2-Door (JK)
- 2018 Jeep Wrangler 2-Door (JK)
- 2017 Jeep Wrangler 2-Door (JK)
- 2016 Jeep Wrangler 2-Door (JK)
- 2015 Jeep Wrangler 2-Door (JK)
- 2014 Jeep Wrangler 2-Door (JK)
- 2013 Jeep Wrangler 2-Door (JK)
- 2012 Jeep Wrangler 2-Door (JK)
- 2011 Jeep Wrangler 2-Door (JK)
- 2010 Jeep Wrangler 2-Door (JK)
- 2009 Jeep Wrangler 2-Door (JK)
- 2008 Jeep Wrangler 2-Door (JK)
- 2007 Jeep Wrangler 2-Door (JK)
Jeep Wrangler Unlimited 4-Door (JK)
- 2018 Jeep Wrangler Unlimited 4-Door (JK)
- 2017 Jeep Wrangler Unlimited 4-Door (JK)
- 2016 Jeep Wrangler Unlimited 4-Door (JK)
- 2015 Jeep Wrangler Unlimited 4-Door (JK)
- 2014 Jeep Wrangler Unlimited 4-Door (JK)
- 2013 Jeep Wrangler Unlimited 4-Door (JK)
- 2012 Jeep Wrangler Unlimited 4-Door (JK)
- 2011 Jeep Wrangler Unlimited 4-Door (JK)
- 2010 Jeep Wrangler Unlimited 4-Door (JK)
- 2009 Jeep Wrangler Unlimited 4-Door (JK)
- 2008 Jeep Wrangler Unlimited 4-Door (JK)
- 2007 Jeep Wrangler Unlimited 4-Door (JK)
Rock Krawler 2.5" X-Factor Mid Arm System Options
| Part Number | Catalog # | Wrangler Model | Shock Options | Price | |||||
|---|---|---|---|---|---|---|---|---|---|
| JK25XF-4 | 16189-2037 | 07-18 Wrangler Unlimited JK 4 Door | Without Shocks | $2,973.67 | |||||
| JK25XF-2 | 16189-2028 | 07-18 Wrangler JK 2 Door | Without Shocks | $2,973.67 | |||||
| 16189-2075 | 07-18 Wrangler Unlimited JK 4 Door | Emulsion Shocks | $4,235.13 | ||||||
| JK25XF-2S1 | 16189-2073 | 07-18 Wrangler JK 2 Door | Emulsion Shocks | $4,235.13 |
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