The product featured is a high quality gearbox Three Rail Gearbox Gasket and Oil Seal set which is custom manufactured for 2000E "Bullet" Ford Cortina Mk1, Ford Lotus Cortina Mk1/2, Ford Escort Twin Cam and Ford Escort RS1600/Mexico Gearbox Types. The package content consists of 1x Three Rail Gearbox Gasket and 1x Oil Seal Set. Please note we only use high quality branded bearings ensuring that our products are high in quality and performance.