Mercury 12-840383A2 Propeller Nut Kit, Heavy Duty ADDBOAT3 5ft) vertical lift

5ft) vertical lift

The valves hold the trim tabs in position to reduce drift back and use barb-type hose fittings for secure connections

This is a very unique feature to bilge pumps because it protects the pump and the vessel

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Mercury 12-840383A2 Propeller Nut Kit, Heavy Duty ADDBOAT3 5ft) vertical liftPropeller nut kit 840383A2 is use on HD (Heavy Duty) 1. 25" prop shaft when installed on Mercury Sport Master, Torque Master I and II, Fleet Master and Verado 5. 25" diameter gear case. Also for use on MerCruiser Bravo I XR and XZ sterndrives, Sport Master and shorty Sport Master Bravo I XR Sport sterndrives. Torque the prop nut to 55 foot pounds (75 Nm). See your owner's manual for installation instructions, the Flo Torq hub, thrust washers and prop