There are severe penalties for lowering a Jeep. My suggestion is larger tires.
License to kill gophers by the government of the United Nations. Man, free to kill gophers at will. To kill, you must know your enemy, and in this case my enemy is a varmint. And a varmint will never quit - ever. They're like the Viet Cong - Varmint Cong. So you have to fall back on superior intelligence and superior firepower. And that's all she wrote.
With a plow on the front I would wonder if it has add-a-leafs...look at the leaf packs and see if there seems to be one that is thicker than the others. I can't remember the count on them, but I can check mine tomorrow if you want. If you could post a picture of the suspension you might get a few more answers.
I'm agreeing w/ Mr. Guitar. If those shackles are longer than stock it ain't by much. So maybe a slightly arched or bigger set of springs.
But it doesn't look very far from stock to me at all.
What's your goal with this? Because I'm thinking a Jeep like that would look great w/ some cast off tires and wheels from craigslist. I used to own Suzuki Samurai's, and loved the bargains I got from Wrangler owners who just wanted to go bigger.
The rear DOES have lift shackles, not extremely large ones but they are not the stock shackles. Also the "raked" look as you may have guess is due to the weight of the plow.
Actually Idea for plowing use. Reason...the front tires will have more traction to push the snow, also there is usually weight add in the rear of the vehicle for traction.
I can not tell if you have non=stock shackles in the front from the picture you posted. Also you do not have any body lift.
I'm not an off roader per se. Back in 1970 when I was a teen working for a landscaper I used to plow winters in a CJ. So when I bought this property with it's lonnng driveway 2 years ago, my mind kept drifting back to that CJ / plow and after 20 hours of snow blowing this past winter, I convinced myself I could use a CJ with a plow more than I use my '81 vette, so I bought the YJ with the plow and am selling the vette to pay for it.
It's amazing how some memories stay with you.
I have been tooling around in the Jeep for a few weeks now, (with the plow off) and it's got the same charm that old CJ had. Aside from a better looking set of stock wheels, and some basic maintenance to keep it from turning into a rust bucket, I dont really have plans of tricking it out.