It was built from a leaf pack with 2 inches of lift, and then the shop added an extra leaf to give it the 3 inches of desired height.
Old vs New
The old leaf pack actually bent in a "W" over the axle, so this pack brought some new life to the truck with a few extra inches of travel.
Be sure not to let the axle down too far as you will rip the brake lines out of their connections.
Installation Trick
One trick I learned was to hook a ratchet strap to the frame near the front of the leaf eyelet and sling it around the brake drum, so that the axle can't slide backwards when the springs are removed.
The overall removal and installation was fairly easy, and just requires a floor jack, jack stands, ratchet strap, 17 & 22mm wrenches, and 19mm sockets.
