LS1 Main Harness for HP EFI & Dominator EFI PART# 558-406
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Remote Tuning Service for Holley EFI Dominator, HP & Terminator X ECUs This service is an all inclusive remote tuning option for Holley EFI ECUs. We will build a global...
Take control of your LS engine with Terminator X! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning...
Holley just brought EFI within range! Introducing Sniper EFI! It’s economically priced so you can have all the benefits of EFI and still have money to finish or upgrade...
Holley EFI Fuel Injectors feature a precision lapped disc valve, high-quality brass windings, and high-temp O-rings. These injectors provide excellent linearity with no discernible "bounce" at low pulse widths as...
Plug and play for Holley Avenger, Terminator, HP, and Dominator ECU fuel and oil pressure inputs. Features: Plug and play for both fuel and oil pressure inputs with Holley EFI...
Take control of your LS engine with Terminator X Max! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine,...
