T-H Marine CMCTransom Clamp Adapter for PT-130 This adapter kit is made for quick and easy installation of these transom clamp type of motors. Works with CMC PT-130 Tilt Trim, ATLAS THT-130C Tilt Trim our larger trim units sized for standard outboard engine mounting with BIA hole pattern. For installation of motors mounted with transom clamps, an adapter kit is available. If your motor has clamps that tighten inside of the splash well, you will need to purchase this transom clamp adapter, if y