Looking to lower the 84 chevy shortbed

[NCD1966]

Im thinking about either doing a 2/4 drop or just lower the rear a few inches to level the truck.

I haven't decided which setup I want to go with. Mainly because I do use this truck to pull a trailer once and a while.

What company would you guys recommend buying from?

I've looking around but I want to see what you guys have used and also looking for the best quality for the money.

I dont want to use low quality parts just because its dirt cheap.

Also I may later on put air bags in rear for pulling the car hauler.