The Rock Krawler X Factor X2 rear long arm upgrade puts a 3-link long arm layout under the back of your JL or JLU. Rock Krawler lists gas and diesel versions separately. The X Factor X2 is an independent 3-link design front and rear, aimed at hard rock crawling. The upper arms are double adjustable and step the factory hardware up to 14 mm with a 2 3/8 inch mounting width and 1 inch Pro Krawler joints at each end. The rear has adjustable anti-squat with X2 geometry, which improves the rear instant center and roll center. Maintenance-free Adventure Series joints sit at the frame end of the lower arms.
What's in the kit
- (2) high-clearance X Factor lower control arms
- (1) adjustable upper control arm
- (1) frame-side 3-link mount
- (1) axle truss
- (2) axle-side control arm mounts
Pick your package
- Gas: for gas-engine JL and JLU models.
- Diesel: for diesel-engine JLU models. Rock Krawler lists it as a separate kit from the gas version, so pick the one for your engine.
Fitment and what else you will need
- Vehicle: 2018 to present Jeep Wrangler JL (2-door) and JLU (4-door). Gas or diesel, depending on the version you pick.
- Rock Krawler does not list extra installation requirements on this kit's page.