Gasket set that covers both 4 and 5 speed gearboxes. Includes O-rings (16mm reverse idler shaft, speedo drive outer, 4 speed differential cover), but no oil seals (available separately as required). For late 5 speed transmissions with an 18mm diameter reverse idler shaft you'll also need an additional O-ring, see item
GO050.
For both 4 and 5 speed cars, you may need the selector and input shaft seals; For 5 speed models, you may additionally require the left and right differential seals.