AFCO's Eliminator Single Adjustable Drag Shock gives you the widest adjustment range in the industry. Adjusts rebound without affecting compression. This 3" stroke shock comes with coil-over hardware. 10" comp x 12.9" extended length= best for 10.75"-11.25" centers at ride height. Valve range covers 1,000 hp or less applications (for higher hp check out our "Big Gun" series.) Includes coil-over hardware. Recommended 7" spring sold separately. Clear anodized.