Impeller - Concord - 13/19 - Yamaha
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, 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., Impeller pitch is determined by casting, not bending.