Holley Dominator EFI ECU 554-114 HOLLEY DOMINATOR EFI ECU •THIS IS FOR THE DOMINATOR EFI ECU ONLY. Dominator EFI systems are sold “Build to Order”. The following must be purchased for a complete system: ECU... MSRP: Was: Now: $2,399.95
Holley HP EFI ECU & Harness Kits LS2 & LS7 550-603 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... MSRP: Was: Now: $2,719.95 Add to Cart
Holley Jet Tool 26-68 Great for removing Holley Carburetor Jets. Makes removal quick and easy on the DYNO or at the track. MSRP: Was: Now: $30.43 Add to Cart
Holley HP EFI ECU & Harness Kits LS1 & LS6 550-602 Holley HP EFI ECU & Harness Kits 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... MSRP: Was: Now: $2,649.95
Holley HP EFI ECU & Harness Kits 550-604 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... MSRP: Was: Now: $2,549.95
Holley HP EFI ECU 554-113 HOLLEY HP EFI ECU ONLY Required/Sold Separately- •Complete System Wideband Oxygen Sensors •Main Wiring Harness •Injector Wiring Harness •Ignition Adapter Harness And... MSRP: Was: Now: $2,049.95
Holley Dominator EFI Auxiliary Harness 558-401 Dominator EFI Auxiliary Harness MSRP: Was: Now: $233.95 Add to Cart
Holley V-8 Injector Harness 558-200 V8 over Manifold, Bosch Style Connector Harness for Avenger EFI, HP EFI & Dominator EFI MSRP: Was: Now: $204.95 Add to Cart
100 PSI Stainless Pressure Sensor 554-102 100 PSI Stainless Pressure Sensor MSRP: Was: Now: $152.95 Add to Cart
Holley Connector J1A/B Input/Outputs Auxilary Harness 558-400 Connector J1A/B Input/Outputs Auxiliary Harness For Dominator EFI & HP EFI MSRP: Was: Now: $130.95 Add to Cart
Holley Air Temperture Sensor 534-20 Air Temperature Sensor Installation Notes screws into intake plenum MSRP: Was: Now: $58.95 Add to Cart
Bosch Wide Band O2 Sensor 554-101 Holley EFI Bosch wide band O2 sensor MSRP: Was: Now: $204.95 Add to Cart
Holley Main Power Ignition Harness 558-308 Holley EFI main power ignition harness MSRP: Was: Now: $106.95 Add to Cart
Holley Transmission Cable Bracket 20-113 HOLLEY OVERDRIVE TRANSMISSION BRKT FOR MPFI Designed for use with Holley MPI 4 bbl throttle bodies MSRP: Was: Now: $40.47 Add to Cart