Variable pitch offers both low-speed torque and all-out high speed in one impeller. Exclusive hub-end water seal keeps the nasty stuff out of precious parts. Enhances all-range maneuverability with no slippage in water hookup. Constructed of ultra high-strength, corrosion-resistant stainless steel. Mirror-smooth finish and polished hub resists cavitation. Impeller pitch is determined by casting, not bending. Original seal required. Choose impeller based on level of engine modification: Limited or Modified. See appropriate columns in chart.. Lower pitch impellers recommended for high altitude, pulling or freestyle applications..
