Brian Crower 2022+ Polaris Pro R Steel Billet Keepers/Locks - 5.5mm Stem

Brian Crower is well-known for making strong internal engine components. These steel billet keepers are designed for the 2022 and newer Polaris Pro R, specifically for 5.5mm valve stems. They are a critical part of your engine's valvetrain, ensuring the valve springs are properly seated and the valves operate as they should.

Crafted from steel billet, these keepers offer a solid foundation for your valve springs. The material choice means they can handle the stresses of engine operation. They fit right into the existing setup for the 2022+ Polaris Pro R, making them a straightforward replacement or upgrade when you're working on the engine's top end.