OptiFlo “phi” High Flow Premium Impeller for KX250F ’04-’19

MSV Racing OptiFlo “phi” High Flow Impeller for Kawasaki KX/KXF Models

Cooler. Faster. Smarter.

Engineered by MSV Racing, the OptiFlo “phi” High Flow Impeller is a game-changer for Kawasaki KX and KXF two-stroke and four-stroke engines. Whether you’re racing motocross or riding hard on trails, this impeller delivers unmatched performance.

✅ Increased Coolant Flow — Keeps your engine cooler under extreme conditions
✅ Reduced Power Absorption — More power to the rear wheel, less drag on the system
✅ Precision-Engineered Design — Optimized hydrodynamics for maximum efficiency
✅ Race-Proven Technology — Outperforms OEM, MINO, Frank’s MX, and AS3 impellers

Constructed for the KX250F (2004–2019), but compatible with a wide range of KX and KXF models.

When performance and reliability matter, MSV Racing’s OptiFlo “phi” Impeller is the #1 upgrade for serious Kawasaki riders.

👉 Order now and feel the MSV Racing difference.