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 vehicles are compatible with the Holley 122-78 Carburetor Standard Main Jet?A: The Holley 122-78 Carburetor Standard Main Jet fits a variety of Holley models, including the 2010, 2300, 4010, 4011, 4150, 4160, and 4500, making it versatile for many applications.
Q: How do I choose the right jet size for my carburetor?A: Selecting the correct jet size involves understanding your engine's fuel requirements and tuning for performance. The Holley 122-78 offers sizes ranging from 40 to 110, allowing for precise adjustments based on your specific needs.
Q: What material is the Holley 122-78 Carburetor Standard Main Jet made from?A: The Holley 122-78 Carburetor Standard Main Jet is constructed from durable plastic, ensuring reliability and resistance to wear during operation.
Q: How can I maintain my Holley Carburetor to ensure optimal performance?A: Regular maintenance of your Holley Carburetor includes checking and cleaning the main jets, ensuring they are flow tested and correctly sized for your setup, and monitoring for any signs of wear or blockage.
Q: What does the .089" jet size mean for my carburetor's performance?A: The .089" jet size refers to the diameter of the orifice that controls fuel flow. This size is critical for tuning your carburetor's performance, affecting fuel delivery and engine response.
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