Three-Piece Clutch Kit, All Six-Cylinder With Full-Synchro Gearbox. 9.5" Diameter. Applications:4.2 E-TypeVery Late MK IILater 3.4S/3.8S240/340420420GMK X. The pilot bushing (CO-2226) and Lock Plate (CO-4810) should always be replaced with the clutch. Not sure what gearbox you have Non-synchro gearboxes have reverse to the left and up; synchro gearboxes have reverse to the left and down.