Holley EFI

The eight channel coil driver module is a "dumb coil" driver module that plugs into the main harness, which is needed when running the factory coils. Contains two 4-channel drivers, requires on an eight cylinder engine.Features:Eight channelDrives two wire “Dumb Coils”Potted design allows installation in engine compartmentContains two 4-channel driversPlug and Play with 558-314, 558-315 and 558-31..

The four channel coil driver module is a "dumb coil" driver module that plugs into the main harness, which is needed when running the factory coils. Contains one 4-channel driver.Features:Four channelPotted design allows installation in engine compartmentBrandHolley EFIEmission Code5Product TypeHigh Current Driver - ModulePart Number554-123..

Every racer around is well aware that the crank sensor is an integral part of the fuel injection system. Holley's EFI Crankshaft Signal Sensor is designed to generate an RPM input signal to the ECU when used in ferrous target crank trigger setups. This sensor is a Hall Effect sensor, meaning it outputs a digital square wave signal, which is ideal for use with most Electronic Fuel Injection Syste..

Holley EFI Cam Sync Signal is designed to generate a cam sync input signal to the ECU when used in flying magnet cam trigger setups. This sensor is a Hall Effect sensor, meaning it outputs a square wave signal, which is ideal for use with most electronic fuel injection systems. Features:3 wire hall-effect camshaft sensor, generates digital square-wave signalFor use with flying magnet targets only ..

Holley EFI Flying Magnet Target was designed to provide a flying magnet trigger for cam sync signal sensors like Holley P/N 554-125 when used with dry timing belt cam drive systems.Features:Provides a flying magnet trigger for cam sensors like Holley P/N 554-125 when used with internal and external cam drive systemsStainless steel ¼-20 x 3/8” screw with stainless steel split lock washerHigh-temp, ..

Cam Sync Sensor Kit; Complete with Cam Sync Flying Magnet Target and Hall Effect Cam Sync Sensor; M12x1Features:3 wire hall-effect camshaft sensor, generates digital square-wave signalIncludes stainless steel flying magnet target w/ 1/4”-20 x 3/8" threads, high-temp, rare earth magnet, and stainless steel lock washerCan work with internal and external cam drive systems (i.e. gear, chain, and belt ..

554-128 is a device that allows for an ECU input to be safely connected directly to the +12V side of the transbrake solenoid. This device protects the ECU input from damaging flyback voltage which occurs when the transbrake is released. Not using this device will cause damage to the ECU over time. Features:554-128 is a device that allows for an ECU input to be safely connected directly to the +12..

One plug and play gauge module (P/N 554-130) is required per set of CAN gauges. User can daisy chain as many gauges as they choose; all gauge data supplied through a one-wire ECU connection.Features:One module required per set of Holley EFI Analog Style CAN GaugesStereo style connector and pre-pinned ECU wire (to J1-A15) for easy plug and play installationBrandHolley EFIEmission Code5Product TypeG..

Designed to eliminate jittery tach signals when using points/tach pin B5 to provide RPM to the 7" Standalone Digital DashBrandHolley EFIEmission Code5Product TypeEFI PartPart Number554-131..

1 Bar Map Sensor, 1/8-27 NPT Features:Stainless steel constructionComes with mating connector for custom configurationsLinear voltage output of 0.5-4.5 voltsBrandHolley EFIEmission Code5Product TypeMAP SensorPart Number554-133..

3.5 Bar Map Sensor, 1/8-27 NPT Features:Stainless steel constructionComes with mating connector for custom configurationsLinear voltage output of 0.5-4.5 voltsBrandHolley EFIEmission Code5Product TypeMAP SensorPart Number554-134..

7 Bar Map Sensor, 1/8-27 NPT Features:Stainless steel constructionComes with mating connector for custom configurationsLinear voltage output of 0.5-4.5 voltsBrandHolley EFIEmission Code5Product TypeMAP SensorPart Number554-135..

500 PSI Pressure Transducer 1/8-27 NPT Features:Stainless steel constructionComes with mating connector for custom configurationsLinear voltage output of 0.5-4.5 voltsBrandHolley EFIEmission Code5Product TypePressure Senser - TransducerPart Number554-136..

3000 PSI Pressure Transducer 1/8-27 NPT Features:Stainless steel constructionComes with mating connector for custom configurationsLinear voltage output of 0.5-4.5 voltsBrandHolley EFIEmission Code5Product TypePressure Senser - TransducerPart Number554-137..

100 PSI / -40C TO 105C - SENSOR COMBO Features:Stainless steel constructionComes with mating connector for custom configurationsLinear voltage output of 0.5-4.5 voltsBrandHolley EFIEmission Code5Product TypeCombination Pressure - Temperature Sensor - TransducerPart Number554-138..

Have you been searching for a reason to discard your old noisy mechanical speedometer cable? If so, the Holley GPS Module for our 7" Digital displays should be the next addition to your project vehicle. Featuring a simple plug and play installation, this GPS Module will allow you to display vehicle speed on your digital dash, without needing any external sensor information.Features:USB connection ..

Introducing the Holley EFI Programmable 8 Channel Injector Driver Module. The ultimate solution for methanol burning engines that require a large set of secondary injectors. The Holley EFI Injector Driver Module will have you in complete control of your fuel injected behemoth, featuring easily programmable injector current curves, injector test fire mode, two datalogger outputs, multiple peak and ..

Introducing the Holley EFI Programmable 8 Channel Injector Driver Module. The ultimate solution for methanol burning engines that require a large set of secondary injectors. The Holley EFI Injector Driver Module will have you in complete control of your fuel injected behemoth, featuring easily programmable injector current curves, injector test fire mode, two datalogger outputs, multiple peak and ..

Introducing Coyote Twin Independent Variable Cam Timing Control from Holley EFI! Do you have a coyote crate engine going in your dream car? Is your weekend road race warrior powered by a coyote junkyard engine with locked cams? Unlock the full potential of your high revving power plant with the Holley EFI Plug and Play Coyote Ti-VCT Control Module.Features:Compatible with HP or Dominator EFITi-VCT..

Replacement Bosch Wideband Oxygen sensor for Sniper EFI Systems.Features:Anti-Seize pre-applied to sensor threads.Service Oxygen Sensor for 550-510/550-511/550-516 and 550-510K/550-511K/550-516KBrandHolley Sniper EFIEmission Code4Product TypeOxygen SensorPart Number554-155..