2.5" to 3" of rear lift will make it sit level with the front spindle lift.
I have the Deaver AAL 2-leaf pack (2" lift) with a 1" block, and my truck sits very close to level (with the spindles up front). The rear might actually be half an inch higher, but you can't really notice.
I have the Deaver AAL 2-leaf pack (2" lift) with a 1" block, and my truck sits very close to level (with the spindles up front). The rear might actually be half an inch higher, but you can't really notice.
