RCV Dana Super 30 (30T) CV Axle Set for Jeep JK
RCV Dana Super 30 (30T) CV Axle Set for Jeep JK
RCV Dana Super 30 (30T) CV Axle Set for Jeep JK
RCV Dana Super 30 (30T) CV Axle Set for Jeep JK
RCV Dana Super 30 (30T) CV Axle Set for Jeep JK
RCV Dana Super 30 (30T) CV Axle Set for Jeep JK

RCV Dana Super 30 (30T) CV Axle Set for Jeep JK

SKU: CVJ30JK-30T

$1,499.95
/
Shipping calculated at checkout.
Current lead time from the manufacturer is 6-8 weeks.

If you’ve upgraded your Jeep JK to a Dana Super 30 (30T) setup, this axle set is the strength multiplier your front end needs. The RCV Performance Ultimate CV Axles replace the factory U-joint shafts with a race proven constant velocity design that delivers twice the strength of OEM Jeep JK axle shafts.

Unlike traditional U-joints, CV joints stay just as strong at full steering lock as they do when straight, eliminating binding and keeping your Jeep planted under throttle. Whether you're running bigger tires, lockers, or added power, these axles stay smooth, reliable, and low maintenance on the trail and on the street.

Backed by RCV’s No Questions Asked Limited Lifetime Warranty, this is the go-to CV axle upgrade for any JK running a 30 spline Super 30 differential.

Includes:

  • Right & left RCV Ultimate CV axle shafts
  • 30 spline inner shafts + 32 spline outer stubs
  • SST seals & installation tool
  • Installation hardware
  • Synthetic moly grease
  • Installation instructions
  • Black oxide coating (standard)
  • Optional nickel plating available (contact us)
Specifications
  • Axle Model: Dana Super 30
  • Unit Bearing: Yes
  • Modified Inner Spline: 30
  • OEM Outer Spline: 32
  • RCV Inner Spline: 30
  • RCV Outer Spline: 32
  • OEM Left Inner Axle Length: 18.75
  • OEM Right Inner Axle Length: 34.437
  • OEM Outer Stub Axle Length: 6.25
  • Boot Technology: RCV bootless, sealed-joint design
  • Warranty: Limited Lifetime (No Questions Asked)
  • Warranty Note: Warranty is void over 35" tires
Fitment


For Jeep JK models equipped with a Dana Super 30 (30 spline) differential:

  • Jeep Wrangler JK — 2007–2018
  • Jeep Wrangler Unlimited JK — 2007–2018
  • Designed specifically for 30T/30 spline Super 30 upgraded carriers.
Tech Insight

The Dana Super 30 strengthens the JK’s front axle, but the U-joint shafts remain a major failure point, especially with lockers, large tires, and high steering angles. RCV eliminates this weak link with a CV joint that maintains full strength and smooth rotation at all angles.

The 30 spline inner / 32 spline outer configuration increases torsional strength, reduces shock loads, and delivers far better traction under binding conditions. It’s one of the most reliable ways to unlock the full benefits of a Super 30 build.

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