Sleeve hitch adapter
Lift pin that fits in the rear lift casting
Not sure if you need this for the rear casting pivot. If the holes are 7/8" you need "Frankenstein bolts". If they are 5/8", then a rod is what you use
Here is a picture of Narrow frame ( you have a wide frame and they will be slightly different ) rear lift parts plus a spring assist

click for bigger picture
This is the type of plow you want to get