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Holley 122-78 Carburetor Standard Main Jet
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Vendor: Holley
Type: Carburetors & Parts
Sku: WBCARB00029J8Y8
Available: Available
Sold by Carkart, an authorized reseller.
Returns accepted within 30 days | support@carkart.com
Shipping Information
- Free Standard Shipping — United States only
- Processing Time: 1–3 business days
- Estimated Delivery: 3–5 business days after dispatch
- Double-boxed, fully insured & discreetly packaged
- Tracking number sent via email once dispatched
- Orders over $250 require signature upon delivery. Taxes calculated at checkout.
Returns & Refund
Returns accepted within 30 days of delivery.
Damaged or Defective Item
Free return shipping + replacement or full refund
Wrong Item Received
Free return shipping + replacement or full refund
Change of Mind
Return shipping at customer's expense · 25% restocking fee applies
All returns require a Return Authorization (RA) number before sending.
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Holley 122-78 Carburetor Standard Main Jet
$16.92
FAQs
Have a question ? We are here to help.
Is the shipping free?
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.
Frequently Asked Questions
- Q: What is the material of the Holley 122-78 Carburetor Standard Main Jet? A: The Holley 122-78 Carburetor Standard Main Jet is made of plastic. This material is commonly used in automotive components for its lightweight and durable properties.
- Q: What are the sizes available for the Holley main jets? A: The Holley main jets are available in sizes ranging from forty to one hundred ten. This variety allows for precise tuning of fuel flow in carburetors.
- Q: What is the thread size of the Holley 122-78 jet? A: The thread size of the Holley 122-78 jet is one fourth by thirty-two. This standard size ensures compatibility with various Holley carburetors.
- Q: How do I install the Holley 122-78 Carburetor Standard Main Jet? A: To install the Holley 122-78 jet, simply remove the existing jet from your carburetor and replace it with the new jet. Ensure that it is securely tightened to avoid any fuel leaks.
- Q: Is the Holley 122-78 jet suitable for all Holley carburetors? A: Yes, the Holley 122-78 jet fits all Holley Model 2010, 2300, 4010, 4011, 4150, 4160, and 4500 carburetors. This versatility makes it a popular choice among car enthusiasts.
- Q: Can I change the jet size for tuning purposes? A: Yes, you can change the jet size for tuning purposes. Adjusting the jet size allows for optimal fuel flow based on specific performance needs.
- Q: How do I clean the Holley main jet? A: To clean the Holley main jet, remove it from the carburetor and soak it in a carburetor cleaner. Use a soft brush to remove any debris before rinsing it with clean water.
- Q: What should I do if the jet gets clogged? A: If the jet gets clogged, remove it from the carburetor and clean it thoroughly. Regular maintenance can prevent clogs and ensure consistent performance.
- Q: Does the Holley 122-78 jet have a warranty? A: Yes, Holley products typically come with a warranty. Check with the retailer for specific warranty details on the main jet.
- Q: Is the Holley 122-78 jet safe to use? A: Yes, the Holley 122-78 jet is safe to use when installed correctly. Always follow the manufacturer's guidelines for installation and maintenance.
- Q: What if the jet does not fit my carburetor? A: If the jet does not fit your carburetor, confirm the model compatibility. The Holley 122-78 is designed for specific models, and using the correct one is essential.
- Q: How can I tell if I need to replace the jet? A: You may need to replace the jet if you notice performance issues like poor fuel efficiency or engine misfires. Regular inspections can help identify when a replacement is necessary.
- Q: Can I use the Holley 122-78 jet for racing applications? A: Yes, the Holley 122-78 jet can be used for racing applications. Its design allows for tuning that can enhance performance in competitive settings.
- Q: What is the flow capacity rating of the Holley main jets? A: The flow capacity of the Holley main jets is rated in cubic centimeters per minute. This rating helps in selecting the right jet for your performance needs.
- Q: Are Holley main jets flow tested? A: Yes, all Holley main jets are flow tested. This ensures that each jet delivers the correct fuel flow as indicated by its stamped number.