Chevrolet Performance LS1 Wiring Harnesses

A precisely calibrated engine control module is essential to making your fuel-injected LS engine perform in your older vehicle. Chevrolet Performance designs easy plug-and-play harnesses to get the job done, and in most applications no need for additional tuning adjustments. These wiring harnesses deliver all components required to plug into the LS1 series engine for proper function and get your vehicle running. From street use to outright racing, these harnesses are great for completing your custom build. A proper matched engine module required for harnesses. Included with detailed instructions to get it done right the first time!