Mercury 12-840383A2 Propeller Nut Kit, Heavy Duty ADDBOAT3 Magma 10 Piece Set -

Magma 10 Piece Set - Induct Compat Cobalt Blue Ext & Blk Int

Bases install with two #10 fasteners

accommodating most sizes and locations of tops and consoles on boats up to 26'4"

External EPIRB pocket for quick access and activation

Mercury 12-840383A2 Propeller Nut Kit, Heavy Duty ADDBOAT3 Magma 10 Piece Set -Propeller 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