Features/Benefits

• 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! ECU Certified To ISO 8846, SAE J1171 & USCG Requirements For Ignition Protection & Fire Resistance.
• Holley HP EFI Systems Are Equipped With 4 Programmable Inputs And 4 Programmable Outputs That Are Ideal For Most Vehicles With A Single Power Adder. This Feature Allows The User To Configure The System To Support A Wide Range Of Controls Including Boost Control, Progressive Nitrous, Water/Meth Injection, Speed Inputs, Fuel Pump Control, AC Inputs, Timing Retard Inputs And Various Other Uses. When Selecting An ECU, Users Need To Ensure Their Planned Controls Can Be Run With The 4 Inputs And 4 Outputs As Certain Combinations May Use More I/Os Than Are Available. If More I/Os Are Required, Users Should Choose The Dominator VMS.
• This Part Is Legal For Sale & Use On Uncontrolled (Non-Emissions Controlled) Vehicles: 1965 And Older US Manufactured California Certified Vehicles, 1967 & Older US Manufactured FedeRally Certiified Vehicles, 1967 & Older Foreign Manufactured Vehciles, Racing Vehicles Not Road Registered & Is Exclusively Used In Competition.

• Engineered to Meet or Exceed OEM Specifications
• MADE IN AMERICA

• OEM Part Number: 550-602
• Associated Years: 1953-2021
• Item Quantity Size: 1 EA
• Shipping Dimensions (LxWxH): 12.25in x 7.5in x 11in
• Weight: 9 pounds

• Tariff Code: 8409914000

• Keywords: Fuel Control Computer, Fuel Injection & Related Components, Restomod