4 synchro gearbox, inner - Spitfire MK4
reverse speed
Requires: 1
Requires: 1
detent reverse selector shaft
Requires: 1
1st and 2nd speed selector shaft
Requires: 1
1st and 2nd speed
Requires: 1
gear change rod
Requires: 1
gear change rods
Requires: 1
gear lever to change rod
Requires: 1
under the synchro hub spring - thickness: 13 mm
Requires: 3
3rd speed gear
Requires: 1
3rd speed
Requires: 1
2nd speed - gearing: 25 outer, 24 inner
Early gearboxes. Change periods are not documented by factory
Requires: 1
2nd speed gear
Early gearboxes. Change periods are not documented by factory
Requires: 1
2nd speed gear
Early gearboxes. Change periods are not documented by factory
Requires: 1
0.152" to 0.154"
Early gearboxes. Change periods are not documented by factory
0.1565" to 0.1585"
Early gearboxes. Change periods are not documented by factory
0.161" to 1.163"
Early gearboxes. Change periods are not documented by factory
0.165" to 0.167"
Early gearboxes. Change periods are not documented by factory
2nd speed - gearing: 26 outer, 24 inner
Late gearboxes. Change periods are not documented by factory
Requires: 1
2nd speed gear
Late gearboxes. Change periods are not documented by factory
Requires: 1
Late gearboxes. Change periods are not documented by factory
Requires: 1
0.199"
Late gearboxes. Change periods are not documented by factory
0.203"
Late gearboxes. Change periods are not documented by factory
0.205"
Late gearboxes. Change periods are not documented by factory
0.206"
Late gearboxes. Change periods are not documented by factory
under the synchro hub spring - thickness: 13 mm
Requires: 3
1st speed gear
Requires: 1
Requires: 1
Requires: 1
Requires: 1
for ball bearing on gearbox main shaft - thickness: 0.119" to 0.121"
for ball bearing on gearbox main shaft - thickness: 0.122" to 0.124"
for ball bearing on gearbox main shaft - thickness: 0.125" to 0.127"
for ball bearing on gearbox main shaft - thickness: 0.128" to 0.130"
speedometer drive gear
Non overdrive models
Requires: 1
propshaft to gearbox
Non overdrive models
Requires: 1
MK4 1300 with D-Type overdrive from FH3 to FH59688 and from FM1 to FM10000 (November 1970 to December 1973)
Requires: 1
Fitted from FH60001 and FM10001. Models with 'J' type overdrive
Requires: 1
with 15 teeth. Use together with 33 teeth synchro hub and 21 teeth reverse gear
Requires: 1
reverse gear, variant with 21 teeth. Please note: must be used together with 33 teeth synchro hub and 15 teeth lay gear
Including bush 5045 (ill. 83)
Requires: 1
reverse speed gear
Requires: 1
