Fastest, safest, least expensive way to bring the front of your New 2007 Toyota Tundra level with the rear. This gives you the clearance and ability to add wheels and tires up to 33" in diameter. Pro Comp products do not affect the factory OEM ride quality or comfort. Pro Comp is also the only company that offers "Smart Strut Technology" that allows you to lift the front of your Toyota Tundra without altering your factory strut or pre-loading the spring.