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HOLLEY 12279 Part Description
Manufacturer
Product Description
Carburetor Jet
Application Summary
These metering orifices control fuel flow into the metering system. They are rated in flow capacity cubic centimeters per minute and are changeable for tuning purposes. The shape of the entry; exit; and size determines flow. All Holley Main jets are flow tested and then stamped with the correct number. Click on Catalog Product Page for complete listing of jets and sizes.
Features & Benefits
- Fits Models 2010/2300/4010/4011/4150/4160/4500
- Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500
- Sizes From 40-110
- 1/4 in.-32 Thread
- 1/4-32 Thread
- 0.091 in. Jet Size
- .091" Jet size
- Standard Main Jet
- Jet Hole sizes provided for reference only . All Holley jets are sized by actual flow and may vary from sizes above.
Holley Performance Emission Code 5: This part is legal for sale or use on Emissions Controlled Vehicles; Uncontrolled (Non-Emissions Controlled) Vehicles; and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations
HOLLEY 12279 Specifications
Product Attributes
| Carburetor Type | Holley |
| Jet Number | 79 |
| Jet Size | 0.091 inch |
| Brand | Holley |
| Category | Air and Fuel Delivery |
| Emission Code | 5 |
| Grade Type | Performance |
| Head Diameter | 0.31 IN |
| Length | 0.35 IN |
| Material | Brass |
| 6453 | 0.091 IN |
| Part Type | Carburetor Metering Jet |
| Product Type | Standard Main Jet |
| Sub Category | Carburetion |
| Thread Diameter | 1/4-32 IN |
| Warning | California Proposition 65 |
| Warranty | Manufacturer's Limited 90 Day Warranty |
Additional Information
| Country of Origin (Primary) | US |
| Harmonized Tariff Code (Schedule B) | 8409915085 |
| Harmonized Tariff Code (HTS) | 8409915085 |
| NAFTA Preference Criterion Code | B |
| Remanufactured Part | N |
| Warranty Special | Manufacturer's Limited 90 Day Warranty |
| Warranty Special UOM | TX |
| EAR99 | |
| UPC | 00090127021842 |
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HOLLEY 12279 Manufacturer Information
Holley® has been the undisputed leader in fuel systems, powering nearly every NHRA Pro-Stock champion and Monster Energy NASCAR Cup team with its expansive line of carburetors for over 40 years. Today, its EFI products and products for GM's popular LS engine are what dominate the performance world and the LS scene respectively. But aside from carburetors, Holley is also widely recognized for its intake manifolds, performance fuel pumps, and engine dress-up products. And to better serve its customers, it partnered with numerous other companies, such as MSD, a company developing electronics for the entire powertrain, and Powerteq, the world leader in performance tuning in the automotive market.
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