Premier Pilot jet, select your size: 17, 19, 20, 21
Amal Concentric Premier 600 & 900 serie
622, 624, 626, 928, 930, 932
Part numbers: 622/502-17, 622-502-19, 622/502-21, 622/502-23
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.)