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:
Requires 60hp water pump, Mercury #46-812966A11.
Add $160 for 6 1/8 stainless steel impeller upgrade #1737.
For use on – 50HP Mercury/Mariner 4 Stroke Motors