Mitsubishi Belt Tension Adjuster Pin Wrench Timing Tool New MD998767 equivalent tool (older part# MD998752) timing belt tool/wrench for Mitsubishi engines. Two cylinders designed to simply fix the tension pulley, adjustment by the 1/4 wrench. Used to apply the correct amount of tension (Foot/Inches varies depending on engine) while using a torque wrench to the tensioner pulley, so as to keep the timing belt tensioned properly. Here is a partial vehicle list for you; all take MD998767/MD998752 and some also take MD998738 tensioning bolt.