Holley Fuel Injector Brass MNPT 2 Port Automotive

Description

Product Overview

The Holley 522‑121 is a genuine OEM fuel injector designed for high‑performance EFI systems. Constructed from durable brass with a precision‑machined exterior, it provides excellent corrosion resistance and a stable 120 pph flow rate. Dimensions measure 7 x 5 x 2.1 inches, weighing just 3.52 ounces, and it connects via a standard MNPT 2‑port outlet for straightforward integration.

Usage

Ideal for both street‑driven vehicles and race‑track builds, this injector delivers consistent fuel metering under demanding conditions. It suits performance enthusiasts seeking reliable upgrades, as well as professional mechanics performing replacements in a variety of automotive applications.

Why Choose Us

Holley’s reputation for quality engineering ensures each injector meets strict OEM standards. Our parts are sourced directly from the manufacturer, guaranteeing authenticity, longevity, and optimal engine performance. With easy installation and robust construction, you can trust this injector to maintain peak efficiency.

Key Features

• Genuine Holley part ensures OEM compatibility
• Corrosion‑resistant brass construction for durability
• MNPT 2‑port connection simplifies installation
• Precise 120 pph flow rate for accurate fuel delivery
• Lightweight design reduces overall engine weight

FAQ

What vehicles are compatible with this injector?

The Holley 522‑121 fits any EFI system that uses a standard MNPT 2‑port injector, commonly found in many performance and street vehicles.

Is installation difficult?

No, the injector features a standard MNPT connection and can be installed with basic hand tools in minutes.

How does brass improve performance?

Brass offers superior corrosion resistance and maintains structural integrity under high temperatures, ensuring consistent fuel flow.

What is the flow rating?

The injector provides a precise 120 pph (pounds per hour) flow rate, ideal for moderate to high‑performance applications.

Can I use this as a replacement for a failed injector?

Yes, it is an exact OEM replacement, matching the original specifications for seamless integration.