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Boyesen SuperCooler water pump cover and impeller kits are specifically designed to enhance the performance of your engine's cooling system. These high-flow, hydrodynamic water pump kits have been tested and designed to flow more coolant. By increasing the flow, the engine will run cooler at a more constant temperature. The patented nautilus-style impeller affords you efficiency and an extended engine life
Not Yet Reviewed
$174.99
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$199.99
Boyesen Power Wings smooth out the turbulence so you can fly around the track and over the trails. These innovative units streamline the airflow to your carburetor, which increases air speed, horsepower, and torque in your 2 and 4-stroke engines. These well-crafted brass wings offer a precise fit, so they will not reduce carburetor bore size or create loss of power. Improve airflow and performance with aerodynamic Power Wings from Boyesen.
Not Yet Reviewed
$100.99
Boyesen Rad Valves provide sharper throttle response and more horsepower by maintaining flow velocity and redirecting the intake charge to the intake ports. They offer one-piece aluminum casting, with no manifolds to trim, no plastic pieces to insert, and no messy glue, which can warp, shrink, melt, or crack. Rad Valves come complete with the valve, reeds, intake flange, gasket, and clamps.
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$179.99
Boyesen Factory Racing clutch covers are cast in aluminum and are powdercoated for long-lasting performance and protection. These covers are guaranteed not to warp and are individually surfaced for a perfect, leak-free fit. Features include: * Asbestos-free gasket is bound with nitrile for a tight, leak-free seal * Individually formed mounting surface to ensure a perfect fit * Investment cast aluminum, which provides excellent heat dissipation and will not warp like stock clutch covers * Super-tough powdercoated finish resists weathering and wear and tear
Not Yet Reviewed
$102.99
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$114.99
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