Holley EFI

Holley's EFI Crank Trigger Kit is engineered to provide an accurate crank speed & position signal to Holley EFI systems in the most-demanding, high horsepower, racing applications. Crank position is...

Replacement Throttle Body Gasket 105mm - GM LSFeaturesPlug and play compatibility with all Terminator, HP, and Dominator ECU’s (w/ module P/N 554-130)No programming necessary; eliminates the need...

Introducing EFI Engine Connector Kits – From Holley EFI. With the latest addition to our ever-expanding Wiring Shop, our goal was to provide you with every engine connector used on the Holley EFI...

When converting your fuel system to a return style EFI setup, the biggest challenge can be plumbing the fuel lines. Holley continues to be the leader in fuel system development to make your life...

8' Male to Female CAN Adapter Harness (for Racepak and other external CAN devices)Features5x 20awg wires2x shielded 18awg wiresAvailable in 25’ or 100’ spoolsSpecifically designed for wide band...

Ford TFI Ignition Adapter HarnessFeaturesBolt on 4150 Flange Carburetor ReplacementSupports up to 1250HP with eight 100lb/hr InjectorsTerminator X Max Stealth 4150 kits provide transmission control...

Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness...

Retrofit Regulator Kit. Replace or install a regulator in your Holley Retrofit Fuel Pump ModuleFeaturesTumble polished finishFor GM LS1/LS6 Engines & 1999-2007 4.8/5.3/6.0 Truck Engines with 24x...

Chrysler has used two different coils on the HEMI engine series with 2006 being the year that the change was phased throughout the truck and car line. Fortunately the two coils are very different...

Universal MPFI Main Harness for HP EFI & Dominator EFIFeaturesCANBus Connector WiringUSB Connector Wiring

Holley EFI Dual Sync Distributor Service Rotor. Featuring a low resistance brass terminal material, and included mounting hardware. Features100 count packs of Pins

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...