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: $2,299.95
Holley EFI Digital Dash 553-106 Fully Customizable with a Variety of Gauge and Indicator Screens Plug-n-Play with all Holley EFI systems The Holley EFI Digital Dash is completely customizable with a variety of gauge and... MSRP: Was: Now: $939.95 Add to Cart
Holley HP EFI ECU & Harness Kit 550-607N These Holley HP EFI ECU and Harness Kits control units allow you to control the fuel and ignition of your engine, along with additional controls for nitrous, boost, or water methanol.Features... MSRP: Was: Now: $2,849.95 Add to Cart
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: $2,608.95 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: $24.95 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: $2,608.95
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: $2,499.95
Holley Universal Multi-Point Main Harness 558-104 Universal Multi-Point Main Harness MSRP: Was: Now: $485.95 Add to Cart
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: $1,740.95
Holley Dominator EFI Auxiliary Harness 558-401 Dominator EFI Auxiliary Harness MSRP: Was: Now: $210.95 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: $179.95 Add to Cart
100 PSI Stainless Pressure Sensor 554-102 100 PSI Stainless Pressure Sensor MSRP: Was: Now: $139.95 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: $110.95 Add to Cart
Holley Air Temperture Sensor 534-20 Air Temperature Sensor Installation Notes screws into intake plenum MSRP: Was: Now: $52.75 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 2 Bar Map Sensor 538-13 2 Bar MAP sensor is to be used in all forced induction applications up to 14.7 PSI Boost MSRP: Was: Now: $145.95 Add to Cart
Holley Main Power Ignition Harness 558-308 Holley EFI main power ignition harness MSRP: Was: Now: $90.75 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: $36.22 Add to Cart
