Santa Ships EVERYTHING for FREE – No Exceptions – Ends Monday
*When You Buy Online and Pick Up In Store
1. Click on "Estimate Shipping" and Enter Your Zip Code
2. Select "Pick Up in Store"
*On All Parts When You Buy Online and Pick Up In Store
Installation coupon will be emailed after order has been confirmed.
Jeep Parts Home
Jeep Lift Kits & Jeep Lift Kits Suspension
Jeep Lift Kits and Suspension Systems
3.5" X Factor Pro Mid Arm System
If a vehicle is grayed out, no parts are available in this category. Wrong vehicle?
Year, make, model lookup will refine product results.
At 4Wheel Drive Hardware, we know the value of your hard-earned dollar. That is why we offer you our exclusive 4Wheel Drive Hardware price guarantee. If you have seen a lower price for the same product in a competitor’s current catalog, advertisement, or e-commerce site, we will gladly match* that price. This allows you to shop at 4Wheel Drive Hardware with the confidence that you are always getting the lowest possible price.
For refunds on orders placed within the past 90 days, please contact us at 877-474-4821.
Learn More or Request a Price Match
The Flashcal is the ultimate calibration tool for the essential JK accessories. With Flashcal, you can now take full advantage of the most popular aftermarket upgrades available. Features Include: Corrects speedometer for tire upgrades between 22.5” - 44.25”. Speedometer recalibration for gear /axle swaps up to 5.38 and beyond. Transfer case Hi and Lo locking options. ESP stability optimization. Engine idle adjustability for winching. Street legal TPMS adjustability (Off-Road options available for download) • Daytime running light options (2011-12 models only). Radio delay options. Headlamp delay options. Horn chirp and exterior lighting flash options when locking doors with keyless entry. Reads and clears diagnostic trouble codes. Internet updatable. FITS 2011-2013 MODELS ONLY!
By Rock Krawler
Part Number: RKSJK3504
The JK 3.5” X Factor PRO System is a no compromise, no nonsense 3.5” mid arm suspension system. It is designed to provide JK owners with the best of the best. Ultra light weight, but yet strong 7075 Aluminum is used for all the control arms, track bars, and HD Tie Rod. This is one of the most crisp and nimble handling mid arm systems on the market! The front and rear track bar relocation brackets improve the roll centers front and rear! The HD drag link and drag link flip kit provides a nice solid steering feel. The Drag Link Flip geometry is 100% ESP compliant! The 7075 high clearance adjustable lower control arms allow for proper caster - pinion angle adjustments and greatly enhance off-road ability over standard systems with straight lower control arms! The rear axle is pushed one inch back to provide improved tire to pinch weld clearance. Rear coil spring wedges assure the rear coils stand up properly and take up the load! No detail is left uncovered in the JK 3.5” X Factor PRO for a mid arm system! If you are looking for a mid arm system that is Ultra Light Weight and Awesome Off-Road, the JK 3.5” X Factor PRO System is for you! All PRO Hard Parts, just like all of our other systems are backed by our Abuse Proof Lifetime Warranty! *Requires the purchase of two OEM Tie Rod Ends from the JK stock drag link at the Pitman arm location. The part number is 52060049AE.
The Perfect Gift.Any amount.Any occasion.Buy Now
Free Full-Color 4WD Catalogs.Get Yours Today
59 Stores Nationwide.Locate a store near you.