Plug and Pins Only Suit US Injectors EV6 Type

Overview

Professional-grade EV6 injector connector plug and pins for US-spec fuel injectors, essential for any serious EFI conversion or injector upgrade. This genuine Haltech connector ensures reliable fuel delivery in high-performance applications where aftermarket injector plugs simply won't cut it.

Technical Specifications

• Part Number: HT-030303
• Connector Type: EV6 (USCAR) Standard
• Application: US-specification fuel injectors
• Contact Material: Professional-grade terminals
• Sealing: Weather-resistant design

Why You Need This

When upgrading to larger injectors on LS swaps, SR20DET builds, or any EFI conversion using US-spec injectors, the factory Japanese or European connectors won't fit. EV6 (USCAR) is the American standard used on everything from GM LS engines to modern Dodge and Ford applications. Attempting to modify existing plugs or using cheap aftermarket alternatives leads to voltage drop, corrosion, and ultimately lean conditions that destroy engines.

We see this constantly in our workshop — customers arriving with melted plugs, corroded connections, or intermittent fuelling issues traced back to substandard injector connections. Whether you're running ID1000s on a 2JZ build, Delphi injectors on an LS conversion, or upgrading the factory setup on an RB25DET, proper electrical connections are non-negotiable. This Haltech plug uses the correct terminal specifications and sealing to handle the electrical demands and underbonnet environment of modified engines.

ECU & System Compatibility

Essential component for any Haltech-managed EFI system running US-specification injectors. Compatible with the full Haltech Elite and Nexus range when used as part of a complete injector harness solution — contact our team to confirm the complete harness requirements for your specific ECU and injector setup.

What's in the Box

• EV6 injector connector plug assembly
• Professional-grade contact pins
• Terminal seals and weather protection

Complete Your Build

Most customers building injector harnesses also require additional pins, connectors, and proper automotive-grade wire to complete their setup. Our technical team can specify the complete harness components needed for your specific injector count and ECU combination. With our UK stock and pre-sales technical advice, we'll ensure you order everything needed the first time rather than discovering missing components mid-build.