AFCO introduces the new 83/84 Series, 2? Diameter Monotube Shocks. These shocks are an enhanced version of our successful 73/74 Series Shocks. Features and benefits include, new AFCO matte blue finish, new billet piston choices, and jetted shafts for more precise tuning options. All valving combinations and curves are available in 7? and 9? lengths. The 9? stroke versions are ready to accept our 20125A-7KR coil-over kit.