I have a 92 xj with a 3 1/2 lift bds kit with bds shocks, lower control arms ,track bar drop,transfer case drop,and add aleaf rear springs.Can I install longer shakles and 5in bds front springs and get 5in. of lift and be safe on the highway, I have 31x10.50 I would like to go up to 33x10.50s...