Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
- No EU import duties. - Ships within 3-5 business days. (USA) - Ships with 8-12 business days. (International)
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For more information, visit www.P65Warnings.ca.gov.
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.
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 carburetor models are compatible with the Holley 122-40 Carburetor Standard Main Jet?A: The Holley 122-40 Carburetor Standard Main Jet is designed to fit all Holley models including 2010, 2300, 4010, 4011, 4150, 4160, and 4500.
Q: How do I choose the right jet size for my carburetor?A: Choosing the right jet size depends on your engine's tuning needs. The Holley 122-40 Standard Main Jet is available in sizes from 40 to 110, allowing you to select the appropriate size based on your vehicle's performance requirements.
Q: What is the purpose of changing main jets in a carburetor?A: Changing main jets in a carburetor is essential for tuning the air-fuel mixture. The main jets control the fuel flow into the metering system, and adjusting them can help optimize performance, efficiency, and throttle response.
Q: Is the Holley 122-40 Jet easy to install?A: Yes, the Holley 122-40 Standard Main Jet is designed for easy installation. It features a 1/4-32 thread, making it compatible with various Holley carburetors. Ensure to follow the manufacturer's guidelines for proper installation.
Q: Are Holley jets flow tested, and how does it affect performance?A: Yes, all Holley main jets, including the 122-40, are flow tested to ensure accuracy and performance. Each jet is stamped with the correct flow capacity, allowing for precise tuning and improved engine performance.
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