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Replacement Parts

Carburetors & Parts

Holley 122-78 Carburetor Standard Main Jet

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Holley 122-78 Carburetor Standard Main Jet
- Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500
- Sizes from 40-110
- 1/4-32 Thread
- .089" Jet size
- Standard Main Jet
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 0.0870'' 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 12278
Model 122-78
Warranty Warranty
Color No Color
Size No Size
UnitCount 1
UPCs 090127021835
EANs 0090127021835
ReleaseDate 0000-00-00

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