Elite ProRock 80 Rear Axle Roller Jeep JL
Can I pick up my order or have it installed at your shop?
Can I pick up my order or have it installed at your shop?
Absolutely. We offer local pickup on most products and full professional installation at our shop in Washington, MO. Whether you just want to grab your parts or have our techs handle the install, we’ve got you covered. Give us a quick call at 636-429-7020 or message us to schedule a visit — we’ll make sure the parts are ready when you arrive.
How do I know if this part fits my vehicle?
How do I know if this part fits my vehicle?
Unsure if it’ll fit? No problem — that’s what we’re here for. Send us your vehicle’s year, make, and model, and we’ll verify fitment before you order. We can also point you toward compatible upgrades or supporting parts if needed.
What if I need to return a product or it’s defective?
What if I need to return a product or it’s defective?
Most unused items can be returned within 30 days in their original packaging. Some products are covered by a manufacturer’s warranty as well. If something arrives damaged or doesn’t meet your expectations, just let us know — we’ll help you get it replaced, refunded, or repaired. (Tracking updates are also emailed automatically once your order ships.)
What's the lead time on custom or fabricated parts?
What's the lead time on custom or fabricated parts?
Many of our parts are built to order — especially fabricated or performance components. These can take additional time to produce before shipping. Lead times vary by manufacturer and demand, but we’ll always keep you updated along the way. If you’re working on a tight schedule, reach out before ordering at 636-429-7020 and we’ll confirm current availability or estimated ship dates.
Description
Description
Dynatrac
Dynatrac Elite™ ProRock 80 Full-Float Rear Axle
Dynatrac
The Dynatrac Elite™ ProRock 80 Axle is built for owners who refuse to compromise on drivetrain strength, durability, and extreme performance. Designed for experienced off-road drivers running 37- to 44-inch tires, this axle is engineered to handle the most technical trails and punishing obstacles with confidence.
This axle is ideal for high-horsepower, heavy-duty builds where maximum rigidity, ground clearance, and long-term reliability are non-negotiable.
Key Features:
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ProRock 80™ nodular-iron, full-float rear axle housing engineered for extreme loads
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Best-in-class ProRock® ground clearance for 10.25-inch and larger ring gear applications
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4-inch diameter Dynatrac proprietary variable wall thickness chromoly axle tubes
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40-spline full-floating wheel ends with heat-treated 4140 fixed spindles
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High-capacity wheel bearings with 12-bolt flanged floater hubs and O-ring seals
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U.S.-made, heat-treated 40-spline 4340 alloy-steel full-floating axle shafts
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Rock-proof nodular-iron Dynatrac differential cover included
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CNC laser-cut, fully welded heavy-duty suspension brackets
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Multiple-position track bar bracket for long-travel suspension tuning
Base Assembly Includes:
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Dynatrac D80 roller assembly with differential cover
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Welded 1/4-inch plate steel mounting brackets, bolt-in ready
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4-inch diameter Dynatrac variable wall thickness axle tubes
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Dynatrac 40-spline spindles
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Built spindle-to-spindle with wheel hubs and brakes installed
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Axle shafts not included unless WMS option is selected
One-Ton OE Big Brake Kit Includes:
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Single-piston calipers
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Brake pads
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Two 13.88-inch rotors drilled for 8x6.5 bolt pattern
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Two brake backing plates with integrated parking brake shoes
This axle is built to order, allowing customers to configure gearing, lockers, axle width, and additional options to match their exact build requirements. If a desired configuration is not listed, custom estimates are available upon request.
SKU: DT epr-80-rar-jL
