Description
pilot jet for Amal premium concentric carb.
size 21. with 4 grooves
1 Ring – 622/502-15 (Equivalent to 20 Pilot Jet in pre-Premier carbs.)
2 Rings – 622/502-17 (Equivalent to 25 Pilot Jet in pre-Premier carbs.)
3 Rings – 622/502-19 (Equivalent to 30 Pilot Jet in pre-Premier carbs.)
4 Rings – 622/502-21 (Equivalent to 35 Pilot Jet in pre-Premier carbs.)
5 Rings – 622/502-23 (Equivalent to 40 Pilot Jet in pre-Premier carbs.)