Elite 2500 + GM GEN III LS1 & LS6 non DBW Terminated Harness Kit Injector Connector: Bosch EV1 (as per factory)

The Complete LS Swap Solution: Elite 2500 + Gen III LS1/LS6 Harness Kit

The Haltech Elite 2500 & Terminated Harness Kit for GM Gen III LS1 and LS6 engines is the gold standard for reliability and performance. Designed for the traditional mechanical cable throttle configuration, this kit completely replaces the aging factory electronics with a state-of-the-art engine management system. The harness is terminated with Bosch EV1 injector connectors, matching the OEM hardware found on the LS1 and LS6, making it a drop-in solution for stock or modified engines.

Unlocking Performance

The Elite 2500 ECU provides full sequential injection and direct fire ignition control, along with advanced features like flex-fuel support, knock control, and engine protection strategies. The included harness is built to motorsport standards with high-temperature wire and sealed connectors. It integrates a fuse and relay box for a clean, self-contained installation. This kit is ideal for engine swaps into vintage muscle cars, track cars, or any vehicle where reliability and tuning flexibility are paramount.

Technical Specifications

Kit Includes

• Haltech Elite 2500 ECU
• Terminated Engine Harness (Gen III LS, Cable Throttle, EV1)
• Fuse and Relay Box
• Firewall Grommet
• USB Programming Cable