The RCV Performance Ultimate CV Axle Set is the proven solution for upgrading the weak factory U-joint shafts in your Jeep JKs Dana 30 front axle. RCVs constant velocity design delivers twice the strength of OEM JK axle shafts, stays equally strong at full steering lock, and completely eliminates the binding and chatter that plague traditional U-joints.

Whether you daily drive your JK or push it hard off-road with bigger tires and added horsepower, these axles run smooth, quiet, and reliable. Power delivery stays consistent at every angle, letting your Jeep maintain traction and confidence across rough terrain.

Includes:

• Left & right RCV Ultimate CV Axle Shafts
• SST seals and installation tool
• Installation instructions
• Synthetic moly grease
• Installation hardware
• Black oxide coating (standard)
• Optional nickel plating available (contact us for custom ordering)

Specifications

• Axle Model: Dana 30
• Unit Bearing: Yes
• OEM Inner Spline: 27
• OEM Outer Spline: 32
• RCV Inner Spline: 27
• RCV Outer Spline: 32
• OEM Left Inner Axle Length: 18.75
• OEM Right Inner Axle Length: 34.44
• OEM Outer Stub Axle Length: 6.25
• Boot Technology: RCV bootless, sealed-joint design
• Warranty Note: Warranty is void over 35" tires

Fitment

• Designed for the Jeep JK platform equipped with the factory Dana 30 front axle:
• Jeep Wrangler JK 20072018
• Jeep Wrangler Unlimited JK 20072018
• Does not fit Dana 44 models.

Tech Insight

The JKs factory Dana 30 U-joints weaken dramatically at full steering angle, right when you need strength the most. RCVs CV style design solves that problem by maintaining full strength at any angle, delivering smoother steering, better traction, and drastically reduced breakage when wheeling in lockers, on rocks, or under throttle.

Paired with 32-spline outer shafts and RCVs bootless sealed joint technology, these axles are built to withstand real off-road abuse while giving your Jeep a noticeably smoother driving feel on pavement.