Crate Axle RockJock 60 Rear JK Dual Pattern, 5x5.5, 1/2 Inch Studs Holes Drilled 68.750 Inch WMS 5.13 Ratio

Product Description: 

The RockJock 60 high pinion crate axle for the Jeep JK is built to the legendary Currie Standard with a long list of exclusive standard features and innovation that make it the clear choice for serious off-road adventure. Built around the stout Currie radius bottom center section, the RockJock 60 is designed to slide over obstacles with ease. With its thick reinforced center section, large diameter tubes and semi-floating 40-spline axles, the RockJock 60 rear axle deliver superior strength for years of dependable service.

The RockJock 60 high pinion crate axle is a complete rear axle assembly, reusing only the stock JK rotors, calipers and ABS wheel sensors from the vehicle
Built to the legendary Currie Standard with exclusive features including:

  • ARB Locker
  • RockJock high-pinion, radius bottom center section greatly improves obstacle slide-over by presenting a smooth curve rather than the sharp edge found on other 60 housings
  • Highest measured ground clearance of any 60 on the market (and that’s including the integrated skid plate), guess the other guys can’t read a tape measure
  • Integrated AR400 hardened steel skid plate resists deformation and gouging to slide over obstacles far better than iron housings or mild steel plates
  • Large diameter pinion bearings to handle the increased load of reverse geometry gears
  • High volume flow-thru recirculating oil system keeps pinion bearings bathed in cool oil, reducing operating temperatures and eliminating oil starvation issues
  • Large 3-inch diameter .375 thick axle tubes deliver superior strength without sacrificing ground clearance or being overweight
  • Currie Performance 40-spline 4340 chrome moly semi-floating axles, the largest and strongest standard axle in the industry
  • Massive Set80 axle bearings allow for larger axle diameter through the bearing for increased strength


  • Center Section RockJock 60 stage-1 nodular Iron high-pinion radius bottom center section with thicker walls and webbing
  • Pinion Bearing Large diameter front pinion bearing matched to rear bearing
  • Pinion Oiling High volume flow-thru recirculating oil system
  • Gear Set Standard Dana 60, compatible with super 60 reverse cut gears
  • Pinion Yoke 1350 u-joint
  • Skid Plate AR400 hardened steel
  • Differential Cover RockJock nodular-iron cover with gasketed fill plug with dipstick, Red
  • Axle Tubes 3 inch diameter, .375 wall DOM tube
  • Axle Bearings Set 80 tapered roller bearing
  • Axles Currie Performance semi-floating, 40-spline (1.7 inch diameter) axles with JK tone rings installed for ABS and ESP retention
  • Brake Rotor Not included, reuses the stock JK rear rotors
  • Brake Calipers Not included, reuses the stock JK rear calipers
  • Suspension Brackets Heavy gauge 3/16 inch steel mounting brackets with multiple mounting locations that enable the suspension geometry to be tuned
  • Geometry Optimized for 4 inch lift kits with 5 degrees of pinion angle to reduce driveshaft angle and 5 degrees of caster for improved steering
  • Width 68.750 inch wide (between wheel mounting surfaces), enables full turning angle with 37 inch tires
  • Wheel Bolt Pattern Dual pattern, 5 on 5 inch with 1/2 inch studs (installed) and 5 on 5 1/2 inch (holes)