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HP EFI ECU & Harness Kits

Brand: Holley EFI

SKU: GVMR_550-602

$3,059.95 $2,849.95

Looking for a plug and play kit for your GM LS engine? The HP ECU allows...

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HP EFI ECU & Harness Kits

Description
Fitment

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!

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