Tensioner screw. W/TURBO. A threaded rod with a drive head (such as hex, 12 point, torx, etc) on one end used to secure the Drive Belt Tensioner Damper to it's mounting point. Belt Tensioner Bolt. Belt Tensioner Pulley Bolt. Part cannot be reused/reinstalled. Adjuster screw. Belt Damper. Bracket mount. Hexagon socket head. Tension screw. Included with: Belt Tensioner, Tension Pulley.