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Holley Tech Support
From classic restorations to modern modifications, the world-famous Holley Technical Service team has the answers you need. We provide support for all Holley customers with topics including compatibility, applications and suggestions.
Holley Interactive Carb Selector
Answer some easy questions about your vehicle and let the Interactive Carburetor Selector help you pick the carburetor you need.
Instructions Search Page
Find information about your Holley Brand Product in this easy to use search. Just type in your part number to download.
Tech Library
Browse our technical documentation and general guides for information like carburetor exploded views and list numbers, NOS nitrous oxide setups, cam shaft, crank shaft and connecting rods and valve train information.
Common Questions
Be sure and visit our frequently asked questions section for quick answers on carburetor tuning, blower setup, fuel injection setup, intake manifold concerns, general cam shaft questions, and NOS performance.
Product Registration
Fill out your Warranty Registration card online and save postage.
Carburetor Warranty
Lost or misplaced your warranty claim tag? Click above to print out a replacement warranty claim tag.
Holley Brand Warranties
Holley stands by the name of all of our performance brands.
Online tech Help
If you have questions about our products, need a part recommendation, or just cant seem to find what you need you can contact our Tech Support online and receive answers by e-mail.
Requests may be submitted at any time but please allow up to 48 hours for responses. All questions are answered in the order in which they are received.

Holley Performance Products provides award-winning technical support via phone Monday through Friday from 8AM to 6PM CST, and Saturday from 9AM to 3PM CST @ 270 781-9741.

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