what shackles will give me the best drop?

Im looking to level the truck, 04 quad cab 2wd

 

The problem with dodge lowering shackles is the shackle is above the leaf so their isn't much room to put in a smaller shackle. I tried searching performanceaccessories.com and they don't even have a dodge set available. I knew for a fact they did two years ago.

Chevys i know run the shack below the leaf so the longer the shackle the lower and it even smoothens out the rear suspension.

 

Go to moes or eBay they have all dif sizes and all just about look the same in construction

 

Or lift the front end and call it a day....