Unlike the stocker, boyesen's water inlet has an increasing diameter and artfully curved shape; this is a vast improvement over most stock inlets, which decrease in diameter as they near the impeller and have a 90-degree bend at the pump. By casting a totally new water pump cover, Boyesen was able to maximize the flow through the unit; Boyesen's design takes advantage of everything from Bernoulli's effect to biological studies.
Boyesen WPK-06AB Supercooler Black Water Pump Kit #ad - Fits: honda crf450 2009-2010 Patented nautilus style impeller for hydrodynamic efficiency, reducing heat, gaining horsepower and extending engine life.
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Honda 08C35-A851M01 Transmission OilHONDA 08C35-A851M01 #ad - The ultimate racing transmission oil for Honda CR, CRD and TRX models. The ultimate racing transmission oil for Honda CR, CRD and TRX models. High thermal stability prevents foaming and premature oil breakdown. Anti-shear additives increase clutch life reduce clutch slippage. Ultra-high film strength and shear stability reduces transmission wear.
Hi-performance transmission oil for all Honda 4-stroke and 2 stroke motorcycles. Anti-friction additives allow smoother shifting, while minimizing drag and power loss.
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K&N Motorcycle Oil Filter: Premium High Performance Oil Filter designed to be used with synthetic or conventional oils fits 2005-2018 Honda CRF150R CRF250X CRF450R CRF450X oil filter KN-116 #ad
Pack of 4 Oil Filter for Honda TRX450ER TRX450R ATV CRF250R CRF250X CRF450R CRF450X CRF150R CRF150RB Husqvarna TC250 TE250 TXC250 TE310 #ad