loweredon20s

i wanna lower my truck 3/5 or maybe 4/6 i found 3 inch control arms from djm. Who makes a 5 inch drop for the rear... would buyin like 2 inch drop leaf springs and 3 inch drop blocks work for a 5 inch drop???now if thats work would i be able to buy 3 inch drop leaf spring and 3 inch drop blocks to make a 6 inch drop, because i dont feel liek cuttin my frame. thanks