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LSx/LTx Wiring Harness

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! Stop re–flashing your factory ECU every time you make a performance modification. Get Holley EFI today! CLICK FOR MORE INFO

If you are going to do this upgrade, do it right...

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Email/Call: Sales@lsxeverything.com
678-648-9889
sales@lsxeverything.com

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