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:

Includes shift cable assembly or shift rod for tiller steering.

Driveshaft spline 3/4″ diameter, 17 teeth.

Add $160 for 6 1/8 stainless steel impeller upgrade #1737.

Lg Jet Kit

For use on – 40HP, 45HP, 50HP Johnson/Evinrude 2 Stroke Motors

Price: $