RCV Pro Series II Axle for Polaris RZR PRO XP (20+) - Rear
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
Push your Polaris RZR PRO XP to the limit with the RCV Performance Pro Series II Axle. Engineered for everything from aggressive trail riding to extreme desert racing, these heavy-duty axles are built to withstand the harshest conditions while delivering exceptional strength, reliability, and performance. Proudly manufactured and assembled in the USA, the Pro Series II is designed as a direct fit for the OEM RZR PRO XP suspension system.
Why Choose the RCV Performance Pro Series II Axle?
- Twice the Strength of OEM – Tested to be 2 times stronger than factory axle shafts for increased durability in demanding environments.
- Built for Extreme Racing – Designed and engineered to handle everything from trail riding to high-speed desert racing.
- Premium Materials – Features a 4340 chromoly CV body with 300M internal components for exceptional strength.
- Heavy-Duty 300M Axle Shaft – Utilizes a 40-spline 300M axle shaft for maximum torque capacity.
- High-Angle Performance – Engineered to accommodate the suspension travel of the OEM RZR PRO XP suspension system.
- Made in the USA – 100% manufactured and assembled in the United States.
Fits These Models
Polaris RZR PRO XP equipped with the OEM suspension system.
Specifications
- CV Body: 4340 chromoly
- CV Internals: 300M
- Axle Shaft: 40-spline 300M
- CV Size: Oversized CVs utilizing Dana 44-sized CV internals
- Grease Included: High-temp RCV SPEC grease
- Recommended Grease: HT1LF-SPEC
Key Features at a Glance
- 2X Stronger Than OEM – Built to withstand significantly higher loads than factory axles.
- Oversized CV Design – Dana 44-sized internals provide increased strength and durability.
- High-Angle Operation – Maintains smooth performance throughout OEM suspension travel.
- Extreme Duty Construction – Designed specifically for abusive off-road and racing conditions.
- Premium Lubrication – Includes RCV's high-temperature SPEC grease for maximum protection.
Notes
- Designed to fit the OEM Polaris RZR PRO XP suspension system.
- Recommended grease: HT1LF-SPEC.
- Backed by a 1-Year Warranty against breakage for the original purchaser.
- Warranty does not cover willful destruction of the product. All warranty claims are subject to review.
- Eligible for the RCV Performance Pro Series rebuild program.
Questions? We’re Here to Help.
Have questions about upgrades for your Polaris RZR PRO XP? Contact FASS Motorsports and we’ll get you dialed:
Phone: 636-429-7020
Email: info@fassmotorsports.com
Why Choose FASS Motorsports?
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