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Boyesen Power Reeds (612)
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...$59.95$46.90 -
Boyesen RAD Valve Replacement Reeds (RL-04)
Replacement reeds for the Boyesen RAD valve # RAD-35A and RAD-35X Includes petals, rev-plates, and extra screws Compatible Vehicles Years Make Make Notes 1988-2006 Yamaha Blaster 200...$36.95$33.10 -
Boyesen Power Wing for Carburetor (PW-20)
Increases horsepower and torque in 2-stroke and 4-stroke Aerodynamic design maximizes velocity generation and power gain Wing channel minimizes disturbance at needle jet without affecting jetting...$129.95$87.71 -
Boyesen Pro Series Carbon Reeds (PRO-72)
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...$64.95$34.82 -
Boyesen Supercooler Black Water Pump Cover & Impeller Kit (WPK-31B)
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...$206.65$173.96 -
Boyesen Pro Series Carbon Reeds (PRO08)
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...$62.95$56.21 -
Boyesen Supercooler Magnesium Water Pump Cover & Impeller Kit (WPK-32AM)
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...$194.95$178.06 -
Boyesen Supercooler Black Water Pump Cover & Impeller Kit (WPK-07B)
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...$206.65$173.96 -
Boyesen RAD Valve Assembly for '05-11 Kawasaki KX250 (RAD-12J)
Boyesen's hot RAD valves provide plenty of off-road torque Custom reed cage holds Boyesen's carbon fiber reeds Sustains flow velocity through the valve and redirects intake charge for...$275.00$167.33 -
Boyesen Super Stock Reeds Fiberglass (570SF1)
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...$49.95$47.09 -
Boyesen Factory Ignition Cover - Black - 125SX / 150SX / TC125 / MC125 (SC-41CB)
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...$95.95$86.10 -
Boyesen RAD Valve Assembly (RAD-42C)
Boyesen's hot RAD valves provide plenty of off-road torque Custom reed cage holds Boyesen's carbon fiber reeds Sustains flow velocity through the valve and redirects intake charge for...$179.95$167.33