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NTP Holley 122 63 Carburetor Jet P14765123NTP-H1912263 https://cdnimages.opentip.com/full/NTP/NTP-H1912263.jpg Holley 122 63 Carburetor Jet Manufacturer Part Number: H1912263Carburetor JetPtoduct Info Carburetor Jet Standard Main Jet 1/4-32 UNF Thread Hole Size 0.063 in. Pair Features and Benefits Fits Models 2010/2300/4010/4011/4150/4160/4500 Sizes From 40-110 1/4 in.-32 Thread 0.063 in. Jet Size Standard Main Jet Product AttributesCarburetor Type: HolleyJet Number: 63Jet Size: 0.062 Part Terminology LabelCarburetor Metering JetApplication 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.Associated Comments Holley Performance Emission Code 5: This part is legal for sale or use on Emissions Controlled VehiclesUncontrolled (Non-Emissions Controlled) Vehiclesand Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations 14765123 090127021569 0.1200lbs 0.50 3.50 5.00
Holley Performance
12.7700 2025-07-13 Only 3 left In Stock

Holley 122-63 Carburetor Jet

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UPC: 090127021569
SKU: NTP-H1912263
Price: $12.77
Quantity:
Only 3 left In Stock
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Product Description

Manufacturer Part Number: H1912263

Carburetor Jet

Ptoduct Info
  • Carburetor Jet
  • Standard Main Jet
  • 1/4-32 UNF Thread
  • Hole Size 0.063 in.
  • Pair


Features and Benefits
  • Fits Models 2010/2300/4010/4011/4150/4160/4500
  • Sizes From 40-110
  • 1/4 in.-32 Thread
  • 0.063 in. Jet Size
  • Standard Main Jet


Product Attributes
  • Carburetor Type: Holley
  • Jet Number: 63
  • Jet Size: 0.062


Part Terminology Label
Carburetor Metering 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.

Associated Comments
  • 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

warning tips WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.

Note

This product is not eligible for coupon code discount, for we've been offering the best price in the market.
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