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Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
- No EU import duties. - Ships within 3-5 business days. (USA) - Ships with 8-12 business days. (International)
⚠️ California Proposition 65 Warning : Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
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 size are the Holley main jets?A: Sizes range 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 main jets?A: The thread size is one quarter by thirty-two. This standard sizing ensures compatibility with various Holley carburetor models.
Q: What are the dimensions of the Holley main jet?A: The dimensions are five inches in length, three and a half inches in width, and half an inch in height. These compact dimensions make them easy to store and handle.
Q: How do I install the Holley main jets?A: Simply remove the old jets and replace them with the new ones by threading them into place. Ensure they are securely tightened for optimal performance.
Q: Are these jets compatible with all Holley carburetors?A: Yes, they fit all Holley models including 2010, 2300, 4010, 4011, 4150, 4160, and 4500. This versatility makes them a great choice for various setups.
Q: What is the purpose of changing the main jets?A: Changing the main jets helps fine-tune fuel flow for improved engine performance. This adjustment can enhance acceleration and fuel efficiency.
Q: How do I care for my Holley main jets?A: Keep them clean and free from debris. Regular checks during maintenance will ensure they function effectively and prolong their lifespan.
Q: Are Holley main jets safe to use?A: Yes, they are safe when installed correctly and used with compatible carburetors. Always follow manufacturer guidelines for installation.
Q: How should I store the Holley main jets?A: Store them in a dry, cool place away from direct sunlight. Proper storage prevents damage and maintains their integrity.
Q: Can I use these jets for racing applications?A: Yes, they are suitable for racing. The ability to change jet sizes allows for optimal tuning in high-performance situations.
Q: What if my Holley main jets arrive damaged?A: Contact customer support immediately for assistance with returns or exchanges. They will guide you through the process.
Q: How often should I change the main jets?A: It depends on usage, but it's recommended to check them regularly, especially after extensive use or tuning modifications.
Q: What materials are the Holley main jets made of?A: The main jets are primarily made of plastic. This material choice ensures durability while allowing for precise fuel flow.
Q: Is there a warranty for Holley main jets?A: Yes, Holley usually offers a warranty on their products. Check the packaging or contact customer support for specific details.
Q: How do I know which jet size to choose?A: Consult your carburetor's tuning guide or seek advice from a professional. Your engine's performance needs will determine the optimal size.
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