I want to lift my truck around 2-3 inches......I know i can buy spacers (but don't know where to find 3inch only 2 so if any one can show me that would be much appreciated). But cant i just go over to the junk yard and grab a leaf from another ranger and add it to my leafs? wont that just lift my back end just as me buying a new one would?

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2003 3.0L Flex 2WD
K&N drop in filter with Air box Mod.
235/75/15 bfg r t/a sports.