The product featured is a high performance Constant Mesh Pinion (Input Shaft) Early Bearing for the Rover LT77 SD1 5 Speed Gearbox supporting Rover SD1, Land Rover Discovery, Land Rover Range Rover Gearboxes. The package content consists of 1x Constant Mesh Pinion Bearing. Please note we only use high quality branded bearings ensuring that our products are high in quality and performance. This product is compatible with suffix A and B models.