Bombproof Front Differential Rebuild – 2017–2023 RZR XP 1000 / XP Turbo / Xpedition
💣 Stop the Failures – Start the Upgrades
The Bombproof Front Differential Rebuild Kit is the most comprehensive solution for upgrading the weak points in your 2017–2023 Polaris RZR XP 1000, XP Turbo, or Xpedition.
This rebuild completely replaces all failure-prone OEM plastic internals with high-strength billet aluminum and 4130 chromoly components. Whether you're stuck in 4WD or can’t get into it, this is the solution for you.
What's Included:
- 🔧 Billet Torsion Spring Retainer
- ⚙️ 6-Tooth Billet Sprague Cage
- 🛠️ 6-Tooth 4130 Chromoly Cage Plate
- 🧰 Upgraded Bearings & Seals
- 📐 Custom Shims to Set Ring & Pinion Lash
- 🧪 Bench Load Test Performed Before Shipping
✅ No Plastic. No Weak Links. Just Reliable 4WD Engagement.
Installation Notes:
- You must ship your front differential to our certified techs for rebuilding.
- We use assembly lube—please fill with oil after receiving your diff back.
- Contact us for rush shipping or additional service options.
Vehicle Fitment:
Polaris RZR XP 1000 (2017–2023):
- Includes: Base, High Lifter, Trail & Rock, S variants
Polaris RZR XP Turbo (2017–2022)
Polaris RZR Xpedition (select compatibility applies—confirm before ordering)
This rebuild is trail-tested, high-horsepower approved, and the most trusted upgrade for off-road warriors who demand durability.