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Holley Manuals & User Guides

Holley is a leading manufacturer of high-performance aftermarket automotive parts, specializing in fuel systems, EFI, carburetors, and engine components.

Tip: include the full model number printed on your Holley label for the best match.

About Holley manuals on Manuals.plus

About Holley

Holley Performance Products is the undisputed leader in high-performance aftermarket automotive parts. With over a century of experience, Holley provides automotive enthusiasts with cutting-edge products including carburetors, electronic fuel injection (EFI) systems like the Sniper and Terminator X lines, fuel pumps, intake manifolds, cold air intakes, and engine swap components.

Built by craftsmen to exacting standards, Holley's innovative solutions cater to a wide range of automotive applications, from classic muscle cars to modern track vehicles. Their extensive catalog empowers drivers, racers, and builders to maximize horsepower, improve engine efficiency, and achieve unparalleled performance targets.

Holley manuals

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HOLLEY 223-36A Intech Cold Air Intakes Phau Ntawv Qhia

Lub Kaum Hli 25, 2023
HOLLEY 223-36A Intech Cold Air Intakes Product Information Product Name: 2019-2022 Ram 1500 V8, 5.7L Intech Cold Air Intake System Part Number: 223-36 Installation Instructions: P/N 80R158 223-36A 223-36H 61R867…

Holley 199R12422 3.5 GPM Roj Pump Phau Ntawv Qhia

Lub Kaum Hli 1, 2023
Holley 199R12422 3.5 GPM Fuel Pump WARNING! THESE INSTRUCTIONS MUST BE READ AND FULLY UNDERSTOOD BEFORE BEGINNING INSTALLATION. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN POOR PERFORMANCE, VEHICLE DAMAGE,…

Holley Avenger EFI ECU & Handheld Setup and Tuning Guide

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Detailed instructions for setting up and tuning the Holley Avenger EFI ECU and Handheld system. Covers calibration, sensor verification, startup, ignition timing, idle settings, self-tuning, and basic tuning parameters for…

Holley Sniper EFI Quickstart Manual: Installation & Setup Guide

Quickstart phau ntawv qhia
A comprehensive quickstart manual and installation guide for the Holley Sniper EFI Throttle Body System (models 550-510, 550-511, 550-516). This document provides essential information for installation, system requirements, wiring, calibration,…

Holley manuals from online retailers

Holley Carburetors: How to Rebuild Instruction Manual

Holley Carburetors: How to Rebuild • March 17, 2026
Comprehensive instruction manual for rebuilding Holley carburetors, covering disassembly, parts selection, cleaning, installation, and calibration for various models.

Holley 120-401 Oval Finned Air Cleaner Instruction Manual

120-401 • February 16, 2026
This manual provides comprehensive instructions for the installation, operation, and maintenance of the Holley 120-401 Oval Finned Air Cleaner. It covers product features, safety guidelines, and detailed specifications…

Holley 0-80508S 750 CFM Classic Holley Carburetor User Manual

0-80508S • Lub Yim Hli 28, 2025
Comprehensive user manual for the Holley 0-80508S 750 CFM Classic Holley Carburetor, covering installation, operation, maintenance, troubleshooting, and specifications. Includes safety warnings and product features.

Holley support FAQ

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  • Where can I find the installation manual for my Holley product?

    Installation manuals, quickstart guides, and instruction sheets can be found in the Support section of the Holley website. You can locate them by searching your specific part number or checking the product details page.

  • How do I contact Holley technical support?

    You can reach Holley tech support by phone at 1-866-464-6553 or 270-781-9741 from 8:00 a.m. to 6:00 p.m. CST, Monday through Friday. You can also submit an online Technical Request form on their support page.

  • Where do I find the list number on my Holley carburetor?

    The list number for most performance and factory 2-barrel and 4-barrel carburetors is stamped onto the upper right-hand corner of the airhorn, which is sometimes called the choke tower.

  • How do I register a Holley product for warranty?

    You can register your product warranty for all Holley family brands directly on the Warranty page of the official Holley webqhov chaw.