MSV RACING OptiFlo “phi” High Flow Premium Impeller for KX450F ’06-’16


When MSV Racing combined their innovative OptiFlo CR “phi” High Flow Impeller engineering with Kawasaki’s KX two and four-stroke engines the result was an impeller that offers more coolant flow, enhanced cooling, and minimum power absorption for a wide range of KX/KXF models. The OptiFlo “phi” is unmatched by OEM, MINO, Frank’s MX, and AS3 impellers!

KX450F ’06-’16: When MSV Racing decided to use its innovative OptiFlo “phi” Impeller technology to help cool the KX450F, we accomplished this by going after the best coolant flow to power absorption ratio. The MSV Racing KXF450 Impeller flowed substantially more coolant flow than the OEM impeller and absorbed far less power than the competition

Additional information

Weight .050 lbs
Dimensions 4 × 4 × 4 in



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Natural Aluminum


5054 T651 Aluminum


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