Triumph extended Fuel Screws
| To be sorted | ||
| Base diameter Tip diameter | .0xx" base .0xx tip | .0xx" base .0xx" tip | 
| 3518k2TD14 / TD16 | ||
| spring | 4.8-.8-6-12.5 | |
|   Twins | ||
|  | USA Triumphs have a tamper resistant "D" shaped head on the stock fuel screw. |