Crankshaft bearing puller set from Buzzetti. An essential tool for engine modifications: To remove crankshaft bearings from intact crankshafts without damaging the crankshaft, you need this tool. In racing setups, this tool is a must, as crankshaft bearings should be changed more often under high loads to prevent larger subsequent damage. It consists of a puller device for bearings with an outer diameter of 30-50mm and one for 50-75mm.