OptiFlo “phi” High Flow Premium Impeller for KX250 ’92-’07

MSV Racing OptiFlo “phi” High Flow Impeller – KX250 (1992–2007)

Maximum Cooling. Minimal Drag. Built to Win.

MSV Racing’s revolutionary OptiFlo CR “phi” High Flow Impeller technology is now available for Kawasaki KX250 two-stroke models (’92–’07). Engineered to outperform OEM and aftermarket impellers, the KX “phi” Impeller delivers unmatched coolant flow and power efficiency.

✅ Superior Coolant Flow — Keeps your KX250 running cooler, longer
✅ Minimum Power Loss — Transfers more horsepower to the ground, not your water pump
✅ Flow-Tested — Outperforms OEM, MINO, Frank’s MX, and AS3 impellers
✅ Precision Fit & Finish — Direct bolt-on upgrade for 1992–2007 KX250 engines

Proven on the coolant flow bench and power absorption dyno, the MSV Racing KX “phi” Impeller delivers the best coolant flow-to-power ratio in its class — period.

Made by Riders, for Racers.

🛒 Order now and keep your KX cool under pressure.