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Holley 12277 Carburetor Standard Main Jet
- SKU:
- 19486348
- MPN:
- 12277
- Availability:
- Usually ships the same or next business day. In stock at our MI, PA, TX warehouses.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 12/10/2025 10:17:48 AM 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 $20.85 each 20.85 |
| Buy 3 | and pay only $19.27 each 19.27 |
| Buy 4 | and pay only $18.08 each 18.08 |
| Buy 5 - 9 | and pay only $17.60 each 17.6 |
| Buy 10 or above | and pay only $15.88 each 15.88 |
- Stock Update:
- 12/10/2025 10:17:48 AM 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]
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Holley 12277 Carburetor Standard Main Jet
$25.93