RCV 30-Spline Dana Super 30 CV Axle Set for Jeep YJ, TJ, LJ, XJ, ZJ
RCV 30-Spline Dana Super 30 CV Axle Set for Jeep YJ, TJ, LJ, XJ, ZJ
RCV 30-Spline Dana Super 30 CV Axle Set for Jeep YJ, TJ, LJ, XJ, ZJ
RCV 30-Spline Dana Super 30 CV Axle Set for Jeep YJ, TJ, LJ, XJ, ZJ
RCV 30-Spline Dana Super 30 CV Axle Set for Jeep YJ, TJ, LJ, XJ, ZJ
RCV 30-Spline Dana Super 30 CV Axle Set for Jeep YJ, TJ, LJ, XJ, ZJ

RCV 30-Spline Dana Super 30 CV Axle Set for Jeep YJ, TJ, LJ, XJ, ZJ

SKU: CVJ30-30T

$1,399.95
/
Shipping calculated at checkout.
Current lead time from the manufacturer is 6-8 weeks.

If you’ve stepped up your Dana 30 with a 30-spline aftermarket differential, this is the axle set built to match it. The RCV Performance Ultimate CV Axle Set replaces the factory 27-spline U-joint shafts with a high strength 30 spline CV design engineered to handle big tires, big power, and hard off-road use.

RCV’s constant velocity construction eliminates U-joint binding and delivers smooth, consistent power where stock U-joints are at their weakest. Testing shows these Ultimate CV Axles are twice as strong as OEM, giving your upgraded Super 30 all the reliability it deserves.

Includes:

  • Left and right RCV 30-spline Ultimate CV Axle Shafts
  • 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
  • OEM Inner Spline: 27
  • OEM Outer Spline: 27
  • RCV Inner Spline: 30 (for upgraded 30 spline differential)
  • RCV Outer Spline: 30
  • OEM Outer Stub Axle Length: 6.11
  • Boot Technology: RCV bootless, sealed-joint design
  • Warranty Note: Warranty is void over 35" tires
Fitment
  • For Jeep Dana 30 front axles upgraded with a 30 spline carrier/differential:
  • Jeep Wrangler YJ — 1986–1996
  • Jeep Wrangler TJ — 1997–2006
  • Jeep Wrangler LJ — 2004–2006
  • Jeep Cherokee XJ — 1985–2002
  • Jeep Grand Cherokee ZJ — 1992–1998
  • Fits only vehicles running a 30 spline Super 30 differential upgrade.
Tech Insight

A Super 30 upgrade adds serious strength to the Dana 30, but the factory 27 spline U-joint shafts quickly become the weak link. RCV’s 30 spline Ultimate CV design balances the system by eliminating the binding, chatter, and angle induced failures common with U-joints.

The CV joint remains equally strong at all steering angles, which means better traction, smoother feel, and reduced risk of breaking a shaft when you’re locked in and turned full tilt. For Jeeps running lockers, 35s or under, or aggressive off-road terrain, this is the axle upgrade that makes your 30 spline diff truly worth it.

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