Description

Polaris RZR 900 Complete Engine Rebuild Kit (2011–2012)

If your RZR 900 is losing compression, burning oil, or just not running like it should, this complete rebuild kit gives you everything needed to bring it back the right way. Instead of piecing parts together, you get a matched set designed to work together from top to bottom.

This kit is built for riders, mechanics, and shops who want a reliable rebuild using quality components that fit correctly and install smoothly.

This Kit Includes

• New Cylinder
• Oil seal set
• Timing chain
• Oil pump chain
• HD twin crankshaft
• Balance shaft bearings
• Forged connecting rods
• Complete gasket kit
• Complete bearing kit
• (2) Moly upgraded pistons

Built for a Full Overhaul

This complete kit covers the major wear components in your engine. Because everything is designed to work together, you avoid compatibility issues and reduce the chances of having to tear it back down later.

Install Notes

Send us your block numbers, and we’ll mark your bearing specifications to make installation easier. This helps ensure proper clearances and a smoother rebuild process from start to finish.

Warranty Coverage

All REV6 rebuild kits are backed by a 1-year warranty. For full details, review our warranty policy.

Need help during your build? Visit our FAQ page or contact our team for support.

Choosing the Right Kit

If you’re comparing options, check out our Engine Rebuild Kit Guide. We can also help you build a custom setup if needed.

Looking for More Parts?

If you need additional components like transmissions, gasket kits, cylinders, seals, crankshafts, valves, clutch components, or ECU tune kits, browse our
Polaris RZR 900 parts catalog.

Take Action

If you’re ready to rebuild your RZR 900 the right way, this complete kit gives you the parts you need to get it done and get back on the trail with confidence.

We proudly support veterans and active servicemembers with available discounts—thank you for your service.