Holley Custom Shop Request
Welcome to the Custom Shop E-mail System. To provide you with the most accurate and timely answers to your custom shop questions, please fill out the technical information section below. Please fill out the form as completly as possible. This will allow the techs to properly answer your questions without any delay. In order to be contacted regarding your Custom Shop Request you must provide an email address.
For any carburetor questions, you must provide the list number of the carb off the air horn or body.
Please keep in mind that some questions may better be answered over the phone. Please direct these to our Tech Service phone lines at:
Toll Free: 1-866-464-6553 or local 270-781-9741 between 8 am and 5:30 pm CST Monday - Friday, and between 8 am and 2pm CST on Saturday.
Please allow up to two business days for an answer, and thank you for your business!