JDJetting AirBox Cover Mods 3 5 7 NoFilter

JDJetting AirBox Cover Mods 3 5 7 NoFilter

JDJetting AirBox Cover Mods 3 5 7 NoFilter

The needle tip diameter affects the main jet size because the fuel must pass by both parts before entering the motor. A larger needle tip results in main jet sizes increasing by 2-6 steps over a small tip needle. In the extreme case, no main jet would be