Spitfire X7 propeller can be used on Mercury and Mariner 40 hp through 125 hp 2-stroke and 4-stroke outboards. Spitfire X7 propellers have forward exhaust ventilation holes equipped with the PVS (Performance Vent System) plugs. The size of hole in the PVS are used to vary hole shot engine RPM's and acceleration to best match the boat and boating application. See your owner's manual for the Flo-Torq hub, thrust washers and prop nut part numbers to best fit your engine or drive with this propeller.Mercury Marine’s passion for performance is matched by your drive for the new, the unknown. Our legendary reliability and durability let you boldly embrace your next adventure—large or small—knowing you’re backed by the best quality design, engineering, and materials.
Mercury Prop Selector
Use this convenient tool to zero in on the right prop for your boat in five steps or less.