The product featured is a complete high performance rebuild kit and repair solution, for the Rover LT77 SD1 5 Speed (Early Model: Suffix A and B) Gearbox supporting Rover SD1, Land Rover Discovery, Land Rover Range Rover Gearboxes. The rebuild kit is equipped with the necessary bearings, gaskets and oil seals required to rebuild the unit. The package contents are the following: 1x Constant Mesh (Input Shaft) Bearing (Early), 1x Main Shaft Front Bearing, 1x Main Shaft Rear Bearing (Early), 1x Lay Gear Bearing Set, 1x Main Shaft Extension Bearing (Early), 1x Gearbox Oil Seal Set, 1x Gearbox Gasket Set. Please note we only use high quality branded bearings ensuring that our products are high in quality and performance.