This standard main jet is manufactured to high tolerances for consistency and is designed to fine-tune the carburetor for street or race applications. The hole size measures 0.040'' and is threaded

Holley 122-40 .040" Carburetor Standard Main Jet - Pack of 2
- Holley 122-40 .040" Carburetor Standard Main Jet - Pack of 2
This standard main jet is manufactured to high tolerances for consistency and is designed to fine-tune the carburetor for street or race applications. The hole size measures 0.040'' and is threaded for easy installation and removal. It is a replacement jet and comes with 1/4-32 unified fine thread.
Country USA
Brand Holley
Manufacturer Holley
Binding Automotive
ItemPartNumber 12240
Model 122-40
Warranty Warranty
Color No Color
Size One Size
UPCs 090127021101
EANs 0090127021101
ReleaseDate 0000-00-00

Holley 122-40 .040" Carburetor Standard Main Jet - Pack of 2