LIFT = 6.75MM LENGTH = 73.50MM SMALL BEARING OD = 32MM LARGE BEARING OD = 35MM COMES WITH AUTO DECOMP SLIP RING, BUT IT CAN BE REMOVED IF YOU WANT. THIS STOCK 150CC CAM IS VERY VERY MUCH THE SAME AS OUR 200148 CAM. SO IT WILL IMPROVE MANY SMALLER CC ENGINES 14100/1P56FMJ