Allison MT 640 Lockup Piston

Lockup Piston Seal Ring (SS6758036) (S6758036)

Shift Shaft (640, 650) (72-Up) (101991) (23017610)

MT 640 Automatic Transmission Seal, Lathe Cut Lockup Clutch (Outer) (except 644, 654) (72-Up) (101331B) (6758036)

Main Case (72-Up) (101760) (23011779)

Front Planet (72-Up) (101582) (6882565)

Low Planet (72-Up) (101581) (6837675)

Center Planet (72-Up) (101580) (23045604)

Converter Cover (72-Up) (101526) (29524116)

Stator Spring (S23015831) (S23015831)