The RCV Performance Ultimate CV Axles for the Currie HD60 Jeep JK Dana 44 provide unmatched strength and smoothness you can feel. The RCV axles replace your OEM Jeep JK u-joint axle shafts with a high-strength constant velocity design. The RCV CVs are capable of increased steering angle, providing 100% strength even when the steering is turned to lock.Designed to retain the JK components from the knuckle-out, combined with the upgraded 35 spline inner shaft for the Currie HD60 differential, this axle set strength is second to none for your Jeep JK. Our tests prove these axles to be over twice as strong as OEM.  Even with big tires and big power there are no worries.  RCV Performance Ultimate CV Axles are low maintenance and operate with a smoothness you can feel - whether off-road or on the street.  All backed with a Lifetime Warranty against breakage up to a 40" tire.CVJ-JK-CURRIE is designed to fit the Currie HD60 for JK ONLY.  Will not fit any other axle configuration.Axle set includes right and left CV axle shafts, outer stubs, SST seals and installation tool, installation instructions, synthetic moly grease, and installation hardware. Black oxide coating is standard. Optional nickel plating is available for extra corrosion resistance in salty environments - contact us for details   Axle ModelTypeOEM Inner SplineOEM Outer SplineRCV Inner SplineRCV Outer SplineOEM Left Inner Axle LengthOEM Right Inner Axle LengthOEM Outer Stub Axle LengthWarranty VoidedBoot Technology'07 and up Jeep JK Wrangler Dana 60/JK hybridUnit Bearing3032353218.25"34.75" 6.25"Over 40" Tire