Applications: B-series DOHC VTEC Only ***Tool does NOT work for Non-VTEC head*** Our tool is designed to make replacing timing belt job significantly easier, especially the part to setup the belt. User will simply insert this timing belt lock tool between the 2 cam gears and BAM! you're now free to adjust and set your belt in place easily. This timing belt tool also has a center window to help you locate & ensure timing marks on cam gears are visible at all time, ensuring your installation will be correct and less error-prone every time.