Readylift SST9000 shocks are an affordable way of accommodating any increase on the shock cycling dynamics of your 2003-2010 Hummer H2 that has aftermarket wheels and tires. Readylift 99-3050F will help enhance your ride while giving you a peace of mind. Each shock the valving performance will far exceeds any factory shock. All Readylift shock absorber are made in the USA.