Description

When you’re rebuilding the top end of your Polaris engine, this Polaris 570 master head rebuild kit gives you everything you need to do it right. Designed for 2012–2023 RZR, Ranger, and Sportsman 570 models, this kit upgrades your intake and exhaust components for better performance and longer life.

This Kit Includes:

• (2) Intake Valve Guides
• (2) Exhaust Valve Guides
• (2) Upgraded Forged Nitrate Intake Valves
• (2) Upgraded Forged Nitrate Exhaust Valves
• (4) High Temp Valve Stem Seals

The upgraded nitrate-coated valves are forged for strength and built to resist heat, wear, and warping under high RPMs. These valves outperform stock components in both durability and flow. In addition, the new valve guides restore critical clearances, helping prevent premature valve and seat wear.

Meanwhile, the high-temp valve stem seals maintain their integrity under harsh thermal cycles, ensuring consistent oil control at the top end. Whether you’re rebuilding a blown motor or refreshing a tired head, this Polaris 570 master head rebuild kit delivers reliable performance without the guesswork.

We ship nationwide and back every REV6 kit with expert support. So if you’ve got questions about installation, specs, or fitment, our team is ready to help keep your rebuild running smooth.

Take Action

• Contact Us to arrange your core return or ask tech questions
• Warranty Policy for full coverage details
• FAQ for shipping and installation guidance
• Engine Rebuild Kit Guide if you’re not sure what your build needs

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