Welcome to Valley Spring Service, Arizona’s premier suspension company. We are family owned and operated since 1964 – 50 Years! No truck is too big or too small! In fact, if it's has wheels, we'll work on it! We’re not just a leaf spring manufacturer! We’re also a full custom fabrication, front-end, preventative maintenance, diagnostic and accessory shop. This makes VSS your complete 4x4 off-road shop. Thank you for visiting us online. If you cannot find what you are looking for, please feel free to contact us. Our seasoned staff is ready to answer your questions.