| ENGINE – IGNITION SYSTEM | PART NO. | PRICE £ |
| 12/4 HT tube | AH158 | 65 |
| HT lead – per ft. | | 1.50 |
| HT lead ends (brass) – each | AH44 | 1.60 |
| Knurled round “nut” for spark plug/HT lead end | | 1.00 |
| Distributor/coil “Bakolite acorns” | | 1.50 |
| Split copper washers for HT lead | | 0.50 |
| Champion spark plug D16 | | 5.50 |
| Champion spark plug D21 | | 4.50 |
| Magneto strap (brass) state length | AB65 | 53 |
| Dynamo strap (brass or steel) | AB73 | 53 |
| Taxi coil conversion gearbox | | 425 |
| | |
| ENGINE – CARBURETTOR PARTS | | |
| 12/4 Bronze top | | 45 |
| 12/4 needle and valve | | 30 |
| 12/4 Zenith carburettor float | | 55 |
| 16/6 & 20/4 Zenith (bronze) carburettor float – also fits some 20/6 | | 60 |
| 12/4 Bob weights – pairs | | 30 |
| 12/4 Jets – pairs –main and compensating – state size | | 40 |
| 12/4 Knurled carb adjuster screw with brass nut | | 10 |
| 12/4 Main jet cover | | 10 |
| 12/4 Slow-running tube | | 21 |
| 12/4 Slow-running jet | | 15 |
| 20/4 Needle and bobbin + valve | | 40 |
| Choke cable – inner – all models (36″ long 12/4 or special order) | | 10 |
| Choke cable – outer – all models (26″ long 12/4 or special order) | | 12 |
| Choke mechanism return spring | | 4 |
| Throttle linkage brass cups -each | | 3.50 |
| Jet key | | 12 |
| Fuel tap (brass or plastic lever) | | 29 or 20 |
Vintage Austins 
