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Complete Dynatrac ProRock 60 High-Pinion Semi-Float Rear Axle Assembly - 2007-2017 Jeep JK - Stock Width

Quick Overview

This specially-configured ProRock 60® semi-float rear axle for the 2007-2017 Jeep JK gives you legendary Dynatrac strength and durability with the lowest price of all time! This assembled axle is the stock JK width (65.5 inches), comes with a 35-spline ARB Air Locker and 5.38:1 gears.

Availability: In stock

Regular Price: $4,692.00

Special Price: $4,292.00



The Dynatrac ProRock 60® was the first of its kind when it was unveiled in 2002. Today, it’s the off-road performance standard to which all other Dana 60 based axles are compared. And now you can have the legendary strength and durability of a Dynatrac ProRock 60 for your 2007-2017 Jeep JK at the lowest price ever offered with this specially configured, completely assembled semi-float rear axle.

Here are the details of this specific axle configuration:

  • Custom Machined Dynatrac ProRock 60 High-Ground Clearance, High-Pinion Semi-Float Rear Axle

  • Heavy-Duty Nodular-Iron ProRock 60 Housing

  • Superior Lightweight Semi-Float Axle Design

  • Standard Lifted JK Housing Geometry and Pinion Angle

  • Stock JK Axle Width (65.5-inch)

  • Heavy-Duty 3.125-inch Diameter, 0.313-inch Wall Draw-Over-Mandrel (DOM) Axle Tubing

  • Dynatrac 3/16-inch JK Rear Coil Spring Suspension Bracket Assembly Kit, Installed

  • Pro Rock 60 Nodular Iron Diff Cover, Installed

  • Dynatrac Heavy-Duty Raised Track Bar (not shown in photo)

  • Dynatrac Pro 60 Dual Sump/High Volume (DSHV) High Pinion Oil Seal Modification, Installed

  • ARB Air Locker, 35 Spline, Installed, with ARB Kit

  • Ring & Pinion, 9.75-inch Diameter, Reverse-cut, 5.38 Ratio, Installed

  • Dynatrac JK Pro Series 60, 35-Spline 1.5-inch Rear Axleshaft Assembly Kit, Installed

  • New Billet Tone Rings Already Installed on the Axleshafts

  • Dynatrac Billet Axleshaft Retainers with Studs - Always Insist on Dynatrac Retainers. Our Studs Will not Strip and Spin Like Other Retainers

  • Axleshafts are Drilled for both 5 on 5 and 5 on 5 1/2 inch Wheel Bolt Pattern; Comes with Studs Installed in 5 on 5 Bolt Pattern

  • Large Tapered Roller Axle Bearings 

  • Dynatrac JK ABS/ESP Sensor Mount, Installed

  • Axle is Detailed and Painted Dynatrac Gloss Black

  • 100% Made in the USA

  • Exclusive Dynatrac 1-year No-Fault, Unlimited-Mileage Warranty

The axle comes assembled. All you need to do is bolt it under your Jeep JK, add oil and re-use your stock rear disc brakes. Or you can upgrade to the Dynatrac ProGrip™ Brake System for a serious improvement in stopping power.

This is a specially priced ProRock 60 axle configuration. If you are interested in other options, please call us at 714-421-4314 for a custom estimate.

NOTE: Photo shows brake rotors and brake backing plates which are not included. Customer to re-use factory JK brake rotors and backing plates. Axle includes raised track bar mount, not shown in photo.


Photo shows brake rotors and brake backing plates which are not included. Customer to re-use factory JK brake rotors and backing plates.