Holley standard main jets are metering orifices that control fuel flow into the carburetor's metering system, rated by flow capacity and stamped with the correct jet number for easy identification and tuning.
Specifications:
- Brand: Holley
- Category: Air and Fuel Delivery
- Jet Number: 90
- Jet Size: .1055"
- Material: Brass
- Thread Diameter: 1/4-32
- Sub Category: Carburetion
- Part Number: 122-90
Fits all Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500 carburetors, available in sizes from 40-110. Not for use with carburetors originally designed for alcohol.
FAQ
What carburetors does this jet fit?
All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500 carburetors.
Can this jet be used with alcohol fuel?
No, this jet is not for use with carburetors originally designed for alcohol.
What thread size does this jet use?
1/4-32 thread.

