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)
⚠️ 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.
Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every Monster Energy Nascar Cup team and nearly every NHRA Pro–Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds & engine dress–up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies we can give you the edge you need over the competition!
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 Holley 121-6 Discharge nozzle screw made of?A: The Holley 121-6 Discharge nozzle screw is made of durable plastic, ensuring reliable performance and longevity.
Q: Is the Holley 121-6 nozzle screw compatible with all Holley carburetors?A: The Holley 121-6 Discharge nozzle screw is designed to be compatible with a range of Holley carburetors, enhancing fuel delivery efficiency.
Q: What are the dimensions of the Holley 121-6 Discharge nozzle screw?A: The dimensions of the Holley 121-6 Discharge nozzle screw are approximately 5.0 inches in length and 3.45 inches in width.
Q: How do I install the Holley 121-6 Discharge nozzle screw?A: Installing the Holley 121-6 Discharge nozzle screw requires basic tools. Ensure the carburetor is clean, then carefully replace the old screw with the new one, tightening it securely.
Q: What benefits does the Holley 121-6 Discharge nozzle screw provide for performance?A: The Holley 121-6 Discharge nozzle screw enhances fuel atomization, improving engine performance and efficiency, especially in high-performance applications.
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