• DeatschWerks LS1/LS6 Series / 85-04 4.6L & 5.0L V8 Mustang 42lb Injectors
  • DeatschWerks LS1/LS6 Series / 85-04 4.6L & 5.0L V8 Mustang 42lb Injectors
  • DeatschWerks LS1/LS6 Series / 85-04 4.6L & 5.0L V8 Mustang 42lb Injectors
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DeatschWerks LS1/LS6 Series / 85-04 4.6L & 5.0L V8 Mustang 42lb Injectors

DeatschWerks LS1/LS6 Series / 85-04 4.6L & 5.0L V8 Mustang 42lb Injectors

18U-01-0042-8

In stock

$442.54 USD
$499.00 USD $442.54 USD
kADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The DeatschWerks LS1/LS6 Series 42lb fuel injectors are high-performance drop-in replacements designed for 4.6L and 5.0L V8 Mustang applications from 1985 to 2004. Engineered for optimal fuel delivery, these injectors feature precise flow rates to support increased horsepower and tuning flexibility. Constructed with durable materials and advanced manufacturing processes, they ensure reliable operation under demanding conditions. Their design promotes improved throttle response, consistent spray patterns, and enhanced overall engine performance, making them ideal for modified or high-performance street and track vehicles.

These injectors are compatible with a wide range of 1985–2004 Mustang models equipped with LS1 or LS6 engines. They are intended as direct replacements for stock fuel injectors, providing a straightforward bolt-on upgrade for increased fuel capacity and efficiency. Installation involves standard fuel system procedures, and the kit typically includes the injectors themselves. Suitable for performance enthusiasts seeking reliable fuel delivery for street, drag, or track use, these injectors support tuning and power upgrades while maintaining OEM-like fitment and quality.

Overview

DeatschWerks Fuel Injectors

Universal Fitment

Part #: 18U-01-0042-8

Overview

The DeatschWerks LS1/LS6 Series 42lb Fuel Injectors are high-performance replacement components designed for use in LS-based V8 engines, including the LS1 and LS6 platforms. Engineered for enthusiasts and professionals seeking reliable fuel delivery, these injectors help optimize engine response and efficiency. Whether you're upgrading your stock fuel system or building a performance-oriented setup, these injectors provide a consistent spray pattern and excellent durability to support your vehicle’s power needs. Designed to fit a wide range of applications, they are ideal for street, strip, or track use, offering a straightforward upgrade to improve throttle response and fuel atomization. Built with precision and quality, these injectors ensure your engine receives the right amount of fuel for optimal performance and reliability.

Key Features

DeatschWerks LS1/LS6 Series fuel injectors feature advanced engineering to deliver consistent fuel flow and durability. Key features include:
  • High-flow 42lb (pounds per hour) capacity for increased fuel delivery
  • Precision-machined stainless steel internals for longevity and corrosion resistance
  • Drop-in fitment designed for LS1 and LS6 engines
  • Optimized spray pattern for improved atomization and combustion efficiency
  • Compatible with high-performance fuel systems and aftermarket upgrades
  • Built-in electrical connectors for easy installation
  • Manufactured in the USA with strict quality control standards

Construction & Design

These injectors are constructed with high-quality stainless steel and advanced internal components to ensure durability under demanding conditions. The precise machining and engineering help maintain consistent fuel flow, supporting stable engine operation and responsiveness.

Installation & Fitment

Designed as direct replacements for OEM injectors, these units are intended for easy installation in LS1 and LS6 engines. Proper fitment should be verified against your vehicle’s specifications and the part number provided.

What’s Included

The package includes a set of four fuel injectors, ready for installation into compatible LS-series engines. Hardware and connectors are integrated for a seamless upgrade.
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