Front nose O ring: Type E 4 speed (Rocket) gearbox
 
Original Fitment:
Ford Capri Mk3 1.6/2.0 1982-1986
Ford Cortina Mk3 2.0 1970-1976
Ford Cortina Mk4/Mk5 1.6GT/2.0 1976-1982
Ford Escort Mk1 RS2000 1973-1974
Ford Escort Mk2 RS Mexico 1975-1978
Ford Escort Mk2 RS1800 1975-1977
Ford Escort Mk2 RS2000 1976-1980
Ford Sierra 1.6/2.0 1982-
Ford Type E Rocket 4 Speed Gearbox
(Also referred to as a 'Type B' gearbox in some workshop manuals)
4 speed single rail gearbox, used for more demanding applications than the Type 3 box. It is available most often without an integral bellhousing, although some later boxes (most often found in Sierras) had integral bellhousings. Cast iron maincase with alloy tail housing. Often referred to as the ‘Rocket’ box, although Rocket is the name given to the original close-ratio competition gearbox that was based on the Type E).
Oil capacity: 1.5 litres
Standard oil grade: SAE80
Input spline: 1" x 23
Output spline: 25