holley
Holley 12277 Carburetor Standard Main Jet
- SKU:
- 19486348
- MPN:
- 12277
- Availability:
- Usually ships the same or next business day. In stock at our PA, TX warehouses.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 04/23/2026 06:50:56 PM PST
Bulk discount rates
Below are the available bulk discount rates for each individual item when you purchase a certain amount
| Buy 2 | and pay only $18.88 each 18.88 |
| Buy 3 | and pay only $17.66 each 17.66 |
| Buy 4 | and pay only $16.85 each 16.85 |
| Buy 5 - 9 | and pay only $16.00 each 16 |
| Buy 10 or above | and pay only $14.69 each 14.69 |
- Stock Update:
- 04/23/2026 06:50:56 PM PST
Description
This item is brand-new, factory sealed.
Holley 122-77 Standard Main Jet - Pair- Designed to fine-tune the carburetor for street or race applications
- Threaded for easy installation and removal
- 0.0855'' hole size
- Comes with 1/4-32 unified fine thread
- Manufacturer: ?Holley
- Brand: ?Holley
- Model: ?Holley Carburetor Standard Main Jet
- Item Weight: ?0.352 ounces
- Item model number: ?122-77
- Is Discontinued By Manufacturer: ?No
- Exterior: ?Machined
- Manufacturer Part Number: ?12277
- OEM Part Number: ?122-77
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 0.0855'' and is threaded for easy installation and removal. It is a replacement jet and comes with 1/4-32 unified fine thread.
Warranty Information
All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
View AllClose
Holley 12277 Carburetor Standard Main Jet
$24.57