UNI Auto engine case for all cylinders with the stud spacing of the 200 cc models. The die-cast engine block, convinces with a very nice and homogeneous surface.Included is a GP gearbox cover plate from UNI Auto and the cover plate for the 6305 bearing.Replacement engine case for all TV, GT, SX and dl/GP 200cc Lambrettas or the perfect way to upgrade the Li, TV 175, Special and dl/GP 125cc - 175cc models with the appropriate 200cc tuning cylinders.