Engine Long Block Short Block. Cummins special tool for maintenance, disassembly and assembly of camshaft. Cummins maintenance and disassembly camshaft sleeve tool K19, camshaft sleeve size outer 82.55 inner 76.2. The size of K38 camshaft sleeve is 80.75 outer and 76.2 inner, with a weight of 5 kilograms. I hope all maintenance technicians can provide valuable feedback after using our tools. I will listen to good feedback and strive to produce maintenance tools that are efficient, high-strength, lightweight, and convenient to use. This will be used by maintenance technicians who work very hard and sweat hard every day to reduce their labor. Thank you all maintenance technicians in advance. The count starts from the day after you placed your order and excludes weekends and holidays. We are subject to labor law regulations that restrict weekend sales services. All the warrantee Are Limited in Parts Only, engine rotation is very Danger, to be safe when the engine running all the people must keep distance at least 10 feet away from engine rotation radius, any time the shut down valve must be active, keep your engine can be stop any time.