Holley EFI

CAN Extension Harness (for Racepak and other external CAN drives)FeaturesAdd Even More Power to the Gen III Hemi Engine with a Holley Hi-Ram Intake ManifoldFits Gen III Hemi Engines w/ Large Intake...

Introducing the Holley EFI 2 Axis G-Meter. Designed to be stable in the harshest environment. Co-Designed with RACEPAK, this G-meter would be a perfect fit for your four digit horsepower drag radial...

Introducing the Holley EFI Single Channel EGT Kits. Exhaust Gas Temperature data is critical information when your engine tune up is on the ragged edge. Knowing the exhaust temperature can help you...

O-Rings For Delphi and Holley top fed multi port injectors. Package of 16 0-rings.FeaturesOEM Quality Connectors and PinsPerfect for DIY or Wiring Specialists that want to build custom wiring...

10 micron post filter with dual 3/8" barbs.Features1x80mm BoreClear Coat Finish

Holley EFI Wiring Shop just keeps getting better! We have one goal, to provide you a one stop solution for all of your wiring components needs. From connectors and pins to wire loom and tools! We...

An EFI system depends heavily on being supplied a clean and constant voltage source. The grounds of an electrical system are just as important as the power side. Our Holley EFI Harness Kit comes...

j2A, j2B, j3, j4 Connector & Pin Kit - Contains connectors & pins, but no wiring. for Dominator EFIFeaturesBase manifold and rail kit for Ultra Low-Ram 300-621BK allows you to select your components...

Coil harness for 99-04 4 Valve Ford Modular (4.6 & 5.4L) Engines. FeaturesBlank cap available for Coil-On-Plug applications

Holley EFI LS wires are designed to work with Hooker shorty headers to prevent burns resulting in misfires.Features3 wire hall-effect crankshaft sensor, generates digitalFor use w/ ferrous metal...

3000 PSI Pressure Transducer 1/8-27 NPTFeaturesDesigned for GM LS Engines with 58x Crank, 4x Cam - and EV6 Injectors.Real-Time fuel map learn, takes the guess work out of tuning your base fuel table...

500 PSI Pressure Transducer 1/8-27 NPTFeaturesDesigned for GM LS Engines with 58x Crank, 4x Cam - and EV6 Injectors.Real-Time fuel map learn, takes the guess work out of tuning your base fuel table...