*This part is currently on back order with Porsche
Clamping Sleeve - 5 Speed - between the clutch and torque tube 78 to 95 Clamping Sleeve - 3 Speed Automatic - between the torque tube and the gearbox 78 to 83 was 922 421 051 02 was 922 421 051 01 #18 on the PET Drawing Manual Gearbox #25 on the PET Drawing Automatic Gearbox