Holley
Holley HP EFI Plug and Play ECU and Harness kit for GM LS2/LS3/LS7 -NTK O2 sensor
Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to accurately control the fuel and ignition of your engine plus much more. Got a stock LS engine? Simply download a base map and you're on your way. Got a turbocharged, nitrous fed LS engine on water/meth? This HP EFI kit can control that too!
Some products on our website are not legal for use on emissions-controlled vehicles. Consumers are responsible for following emissions laws and ensuring their modified vehicles comply with applicable regulations.
Emissions standards help protect air quality and public health. Agencies like the U.S. EPA, California Air Resources Board, and Environment Canada prohibit tampering with emissions systems, which is illegal under the U.S. Clean Air Act and can result in significant fines.
Scram Speed supports performance parts that meet emissions requirements. This information is general and may not apply to all vehicles or situations. Consumers are solely responsible for checking their local laws to ensure compliance.