AUSTIN HEALEY BN2 TO BJ8
​4 SPEED GEARBOX

GEARS AND INTERNALS

Picture
1.  Mainshaft


​
2.  Plunger

3.  Spring

4.  First Gear


​5.  Plate, locking

6.  Syncro, 2nd gear

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7.  Thrustwasher, 2nd gear

8.  Needle Rollers, 2nd gear

9.  Second Gear



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10.  Third Gear



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11.  Syncro, 3rd and 4th 
​

12.  Needle Rollers, 3rd gear

13.  Plate, locking

​14.  Syncro Hub, 3rd / 4th
1B3720       BN2, BN4, BN6 w/OD
AEC3417     BT7, BN7    side shift from (e)29D-H10544
                    all center shift BT7 and BN7, all BJ7

AEC3181

AEC3182

AEC3071     BN2, BN4, BN6
AEC3566     BN7, BT7  

AEB3112     not BJ8

AEC3211     BN2-BJ7
22B149       BJ8

AEB3111

​AEC3180

​AEC3210     BN2, BN4, BN6
AEC3357     BN7, BT7 side shift to (e)29D-13938 w/od
AEC3469     BN7, BT7 side from 13939, all center shift, BJ7
22B145       BJ8

AEC3170     BN2, BN4, BN6
AEC3355     BN7, BT7 side shift early (as above)
AEC3468     BN7, BT7, BJ7 (as above)
​22B144       BJ8

AEB3214     BN2-BJ7
​22B159       BJ8

​AEC3180

AEC3193

​AEC3072     not BJ8
Picture
15.  Laygear




​

16.  Spacer

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17.  Needle Bearings

18.  Washer

19.  Layshaft

20.  Reverse Gear

21.  Shaft, reverse

22.  Bolt, locking

23.  Input Shaft


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24.  Bearing, needle

25.  Bearing, input shaft
1B3728        BN2, BN4, BN6
AEC3359      BN7, BT7  side shift to (e)29D-H10896 od
AEC3471      bush type BN7, BT7
AEC3616      BN7, BT7 side shift 
AEC3649      BN7, BT7 side shift late, all center shift, BJ7
22B141        BJ8

AEC3113      BN2, BN4, BN6
AEC3393      BN7, BT7, BJ7

​AEB3212      non-BJ8

AEB3204      non-BJ8

AEB3203      non-BJ8

AEC3525      all

AEC3340      non-BN2

AEC3121      all

1B3718        BN2
AEC3259      BN4, BN6
AEC3358      BN7, BT7 early side shift (can use below)
AEC3472      BN7, BT7 side late and all center, BJ7

AEC3186      all
​
6K777          all

EXTERNALS

Picture

SIDE CHANGE

1.  Shift Lever

2.  Bush, shift lever

3.  Washer, rubber

4.  Seat

5.  Pad

6.  Cover

7.  Nut

8.  Washer

9.  Distance Piece, cover

10. Cover, side
​

11.  Shaft, control

12.  Lever, control

13.  Screw, shaft locking

14.  Locktab
1B3760 or  AEC3480

AEC3520

1B3632

2F3151

2F3152

2F3154

FNZ104

LWZ204

1B3634

1B3705       BN2, BN4, BN6
AEC3323     BN7, BT7

​1B3713

1B3706

1G3581

​1B3363
Picture

CENTER CHANGE

15.  Main Case

16.  Cover, top

17.  Circlip

18.  Washer, spring

19.  Spring

​20.  Bush, shift lever

21.  Plug, plunger retaining

22.  Washer, plug

23.  Plunger

​24.  Spring, plunger

25.  Shaft and Socket

26.  Lever, selector

27.  Key

28.  Spring, ball (uses 3)

29.  Ball, shift shafts  (uses 3)
AEC3547

​AEC3657

1H3087

AEC3659

AEC3671

AEC3520

AEG3113

AEG3122

AEG3124

AEG3123

AEC3654 and AEC3656​

AEC3636

WKN404

AEC3189

​BLS110