Jet kits come with all the hardware you need to convert your motor to a jet.  (You will need to use the water pump off of your existing lower unit.)

Notes about this kit:

Specify if for 50hp Model AG50 or 55/60hp Model AG60.

Big foot motors require use of standard lower unit cooling pump. Merc #46-812966A11 and Jet part #1392.

Med Jet Kit

For use on – 50HP, 55HP, 60HP Mercury/Mariner 2 Stroke Motors

Price: $