SKU: 16878910135
Ships within 48 hours · Estimated delivery Aug 28 - Sep 2
EK-61-855637-1
Does NOT fit Trike Models
or any other Hall effect speed input
1x Transmission Cooling Line C
Holley HP EFI ECU and Harness Kits 550-602N studfix EK-61-855637-1HP ECU AND HARNESS, LS1 6, NTK 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 reflashing your factory ECU every time you make a performance modification. Get Holley EFI today!
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