Speedo Cable: Most PRE-68This is a replacement speedo cable we special purchased by the hundreds. It suits mixed applications & here we allow you to pick the cable & casing assembly needed for various applications. Each "Cable" is a cable and casing.. not just an inner cable. These run in different lengths.. and have ONE screw thread for the gearbox end.. and another smaller one for the speedo. It suits US GM cars & is referred to a a "Screw Screw" TYPE speedo cable. Type D: