I want to lift the front og my truck becuase the bfg's Have started takein a likein to my fenders. THere is a pro comp add a leaf kit for i think 50 bucks in summit. Says it will lift it 2.5 inches. I want this. But i have a question. DO I order the long leaf? or the short leaf kit? WHat do I have? ALso WHat all is the kit suppose to come with?