10-0991 - Left Side Engine Case

Case is a reproduction of the original 45 cubic inch left side case features a bare as cast aluminum finish. Case is blank without serial numbers. Will fit WL right side case. Cylinder base area and motor mounts are machined to stock height specifications no extra material to machine and will have to be matched to the right side for proper installation and fit. Must order inner primary threaded inserts case race bushing cylinder base studs and all related bolts separately. *NOTE: Case bushing is not included.