Special Offers

Required when directly connecting Holley fuel rails to GM factory fuel line quick-connect. Includes (1) 3/4-16 O-ring port plug and (1) -6 to GM quick connect adapter.BrandHolley EFIEmission Code5Product TypeFuel Line AdapterPart Number534-211..

Required when upgrading to (EV1/Bosch style) performance injectors on LS2, LS3, or L99 applications (not required to upgrade LS1 and LS6 applications).BrandHolley EFIEmission Code5Product TypeFuel Rail KitPart Number534-212..

Complete connector and pin kit for use with Holley EFI Stealth Ram Power Pack kit. Includes connector and pins for: Manifold Absolute Pressure (MAP) sensor Idle Air Control (IAC) Throttle Position Sensor (TPS) Coolant Temperature Sensor (CTS) Air Intake Temperature Sensor (AIT)BrandHolley EFIEmission Code5Product TypeEFI Connector KitPart Number534-213..

TPS Kit for Gen 3 DominatorBrandHolleyEmission Code5Model4500Product TypeThrottle Position SensorPart Number534-214..

Holley EFI fully standalone 2-1/16" Air/Fuel Wideband O2 Gauge Kit. This highly accurate and feature packed unit is designed specifically for use with all EFI or carbureted systems and available in both black and white face versions. Features:Completely standalone with easy-to-read analog dial - Great for EFI or carbureted applicationsIncludes Bosch LSU 4.9 wideband O2 sensor which is compatible w..

This fuel rail kit is specifically designed to work with the Holley GM 2x4 dual plane manifold. Working to utilize the technology of the LS pushrod engine and now mated with the impressive multi-carb looks and performance of the muscle car era in the tradition of the great dual Holley 4160 induction systems that competed on drag strips, in Trans-Am at Lemans in the 1960's.!Features:Perfect for any..

This fuel rail kit is specifically designed to work with the Holley GM Gen V LT1 EnginesFeatures:Replacement Fuel Rail KitBrandHolley EFIEmission Code4EngineGM Gen V LT1Fuel SystemEFIProduct TypeFuel Rail KitType of ComponentFuel RailPart Number534-224..

Replacement throttle body for Stealth Terminator EFI kit. Includes all sensors. Easy replacement, just swap the harness from your original throttle body and bolt it on.Features:Replacement throttle body for Stealth EFI KitBrandHolley EFICFM950Emission Code3FinishPolishedFlange Size4150Fuel Pressure43 PsiHeight3.000"Injector Size80Lb/Hr @ 43PSIProduct TypeStealth Terminator ThrottlebodyPart Number5..

Replacement throttle body for Stealth Terminator EFI kit. Includes all sensors. Easy replacement, just swap the harness from your original throttle body and bolt it on.Features:Replacement throttle body for Stealth EFI KitBrandHolley EFICFM950Emission Code3FinishHard Core GrayFlange Size4150Fuel Pressure43 PsiHeight3.000"Injector Size80Lb/Hr @ 43PSIProduct TypeStealth Terminator ThrottlebodyPart N..

EFI fuel rails are machined for –8AN O-ring Fittings with passages large enough to accommodate high fuel flows and dampen pressure pulsations in the fuel system.ApplicationFord 351WBrandHolley EFIEmission Code4Product TypeFuel Rail KitType of ComponentFuel RailPart Number534-234..

Introducing 2x4 Terminator Stealth EFI upgrade components. The wait is over. These upgrade components allow you to use your current Terminator Stealth EFI throttle body, install a new main harness, and slave throttle body, and you are finished. This upgrade is also perfect for anyone wanting to convert their 2x4 supercharged combo over to Electronic Fuel Injection!Features:2x4 Side Mount Stealth T..

Throttle Body Wiring Harness for 1 bbl & 2 bbl Pro-Jection SystemsBrandHolleyEmission Code5Product TypeEFI Main Engine HarnessPart Number534-25-1..

40 Amp. RelayBrandHolleyEmission Code5Product TypeEFI PartPart Number534-26..

Rigidly mounting pressure transducers to your engine is never a good idea. Introducing the Holley EFI sensor block! Compatible with all transducers that utilize 1/8 NPT male threads and 7/8" or smaller body/hex diameter. This sensor block provides a clean and safe solution for mounting multiple 1/8th NPT pressure sensors.Features:Compatible with all transducers that utilize 1/8 NPT male threads an..

Fuel Pump Kit for 2 bbl Pro-Jection PN 502-20SBrandHolleyEmission Code5Product TypeDual TankPart Number534-37..

Dual Tank Fuel Pump Kit for All TBI 4 bbl Pro-Jection Systems & 950 MPFI/4bbl TBIBrandHolleyEmission Code5Product TypeDual TankPart Number534-38..

Computer Data Cable for All Digital Interactive Pro-Jection SystemsFeatures:DB9 ConnectorBrandHolleyEmission Code5Product TypeEFI PartPart Number534-45..

Air Charge Sensor For Commander 950 and 4Di TBI Pro-Jection Systems BrandHolleyEmission Code5Product TypeTemperature SensorPart Number534-46..

O2 Weld Ring for any Application That Uses an Oxygen Sensor BrandHolleyEmission Code5Material12L14 cold roll steelProduct TypeOxygen Sensor O2 bungThread Size18mm x1.5Type of ComponentOxygen Sensor BungPart Number534-49..

Closed Loop Wiring Harness for Digital 2 bbl Pro-Jection BrandHolleyEmission Code5Product TypeEFI PartPart Number534-56..