THE LIFT ON THIS CAM IS 6.75MM AND THE LIFT ON A STOCK 108 OR 120 IS 5.5MM * PLEASE READ WARNING BELOW ORDER BUTTON FIRST !! * SEE THE PICTURES BELOW AS THE RIGHT HEAD COVER IS THE CLUE TO KNOWING IF YOU HAVE A LONG OR SHORT SHAFT CAM !! * THE BEARINGS OD ARE : FRONT 35MM AND REAR/INNER BEARING 32MM 141001P56$31.99 CLICK HERE TO MAKE SURE WHICH CAM YOU NEED 68MM_OR_73MM