Laboratory flow analysis proves Boyesen dual-stage reeds outperform standard reeds They permit greater flow velocity over the entire range of operating pressures Increased performance from start-up...

Replacement reeds for the Boyesen RAD valve # RAD-10, RAD-10A, RAD-10B, RAD-10C, and RAD-10D Includes petals, rev-plates, and extra screws Compatible...

Boyesen Pro Series Reeds are for RAD Valve and Rage Cages The latest carbon fiber technology with all the advantages of Boyesen's patented dual-stage reed design Utilizes a carbon fiber top...

Laboratory flow analysis proves Boyesen dual-stage reeds outperform standard reeds They permit greater flow velocity over the entire range of operating pressures Increased performance from start-up...

Get Boyesen power for your snowmobile High-quality reeds outperform stock reeds Increase performance from start-up to top speed Compatible Vehicles Years Make Make Notes 2008-2009 Ski-Doo MXZ...

An aluminum investment-cast water pump cover and impeller combo; specifically designed to enhance the performance of your engine's cooling system This high-flow, hydrodynamic water pump kit has...

Carbon or fiber single-stage replacement reeds Increases performance from start-up to full-throttle Matched to OEM specifications Last longer and better value than other stock or carbon reeds on...

Carbon or fiber single-stage replacement reeds Increases performance from start-up to full-throttle Matched to OEM specifications Last longer and better value than other stock or carbon reeds on...

Get Boyesen power for your snowmobile High-quality reeds outperform stock reeds Increase performance from start-up to top speed Compatible Vehicles Years Make Make Notes 1997-1998 Polaris XCR...

Carbon or fiber single-stage replacement reeds Increases performance from start-up to full-throttle Matched to OEM specifications Last longer and better value than other stock or carbon reeds on...

Look like a professional with the Factory Ignition Cover Seals properly, guarding inside of engine from dirt and water and outlasts stock covers Boyesen Factory Covers are cast from the highest...