When you drive your vehicle over bumpy or rough terrain, you'd better be thanking your lucky stars that you've got great shock absorbers - because without them, you'd be suffering from some major jolts and difficult control issues. With an Edelbrock Coil Over Shock Absorber, you'll be getting some of the best shock absorption in the business - guaranteed. Since 1946, Edelbrock has been designing and manufacturing great automotive components designed for a wide variety of uses - and while the technology has changed, the commitment to excellence and quality has not. This means that you can count on your Edelbrock Coil Over Shock Absorber to really go the distance and bring you the kind of performance you want and deserve. Look for revolutionary IAS technology and a matched rate coil spring that have been tuned to work together as a seamless, single-function component. What is IAS technology? IAS technology is a patented system that uses an inertia active valve that allows the shocks to adjust to the quality of road surface. When the surface gets rougher or smoother, IAS technology allows your Edelbrock Coil Over Shock Absorber to adjust accordingly - meaning you'll get the right smoothness and the right handling control all the time. All customers should always get superb customer service when shopping for high-quality car parts. Thus, we established a twenty-four hour a day help desk to support all your queries. To sweeten the deal, there is always FREE shipping on every order above $50. If you spot a better price somewhere else, call us - we will meet or beat any advertised price for auto parts.