Air and Fuel Delivery

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Holley EFI

Holley EFI Terminator X Stealth 4150 - Gold

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$2,362.95 $2,099.95

The Terminator X Stealth 4150 EFI system from Holley features 4, 100LB/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or...

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Holley EFI

Holley Terminator X Fuel Injectors - Set of Eight

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$956.95 $849.95

Terminator X fuel injectors are dynamic flow matched within 1%, resulting in extremely precision and consistent injector characteristics. These injectors provide excellent linearity with...

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Holley EFI

Idle Air Control (IAC) Motor

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$116.95 $103.95

Trust Holley to offer replacement electronic sensors that meet and/or exceed OEM specifications for performance. This Idle Air Control Motor will serve as a...

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Holley EFI

Unterminated 16 Injectors MPFI Harness

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$358.95 $174.95

Unterminated 16 injectors MPFI harness Terminated at injector connectors (Bosch style). Harness must be assembled and require crimping Metripak150 connectors. Includes all connectors, pins,...

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Holley EFI

Holley EFI Terminator X Max - 4V Ford Mod Motor

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$2,699.95 $2,399.95

Introducing Terminator X Max Kits for the Modular Ford engine and the 1998 and newer Ford 4R70W or 4R75W Transmission. These new kits will...

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Holley EFI

LS1/6 (24x/1x) Engine Main Harness

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$760.95 $675.95

This harness is designed for LS1/6 Engines, from 1997-2004. This harness interfaces with 24x Crank and 1x Cam sensors.

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Holley EFI

Holley EFI GM Drive-By-Wire Harness - Early Truck

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$321.95 $285.95

Terminator X Max and Dominator EFI GM DBW Harness-Early Truck. Compatible with GM part number 10379038.

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Holley EFI

LSx Injector Harness - For EV6 Style Injectors

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$213.95 $189.95

LSx Injector Harness for HP EFI, Dominator EFI and Terminator X.

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Holley EFI

Unterminated Universal Main Harness

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$643.95 $571.95

Unterminated Universal Main Harness for HP EFI & Dominator EFI

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Holley EFI

CAN Extension Harness - 8'

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$78.95 $70.19

Can Extension Harness (for Racepak and other external CAN drives)

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Holley EFI

EFI Throttle Body Intake Elbow

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$260.95 $231.95

This cast EFI intake elbow allows the use of Ford throttle bodies on any intake manifold w/ the 4150 mounting flange. Slotted mounting holes...

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Holley EFI

Fuel Rail Adapter Fitting -6AN to GM Quick Connect

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$47.37 $42.11

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...

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Holley EFI

Holley Terminator X Fuel Injectors - Set of Eight

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$701.95 $623.95

Terminator X High Impedance Fuel Injectors feature a precision lapped disc valve, high-quality brass windings, and high-temp o-rings. These injectors provide excellent linearity with...

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Holley EFI

4150 Sniper Stealth Master Kit

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$2,030.00 $1,826.95

The Sniper Stealth 4150 EFI system from Holley features 4, 100LB/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or 600...

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Holley EFI

Holley EFI Fuel Injectors - Set of Eight

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$787.95 $699.95

Holley EFI Fuel Injectors feature a precision lapped disc valve, high-quality brass windings, and high-temp O-rings. These injectors provide excellent linearity with no discernible...

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Holley EFI

Holley EFI Fuel System Kit

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$526.95 $467.95

Holley EFI fuel kits are the perfect addition to your Sniper EFI or Holley EFI kit. They are engineered using Holley fuel pumps, regulators...

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Holley EFI

Sniper EFI 2x4 Linkage Kit

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$88.61 $79.75

The Sniper EFI 2x4 Linkage Kit Part comes two heim joint rod ends, one left hand thread and one right hand thread, three universal...

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Holley EFI

1600 PSI Stainless Pressure Sensor

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$254.95 $225.95

1600 PSI Stainless Pressure Sensor

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Holley EFI

Sniper EFI Stealth 4500 Throttle Body System

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$2,465.00 $2,217.95

Introducing the Sniper Stealth 4500 EFI System! Wanting to convert your Dragster or Pro-street vehicle to Fuel Injection? Look no further! The Sniper Stealth...

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Holley EFI

Pressure Sensor

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$254.95 $225.95

Preconfigured for use in Holley HP and Dominator systems.

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Holley EFI

0-500 PSI Pressure Transducer

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$233.95 $207.95

Meet your higher boosted specifications with our 0-500 pressure transducer.

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Holley EFI

Pressure Sensor

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$175.95 $155.95

Plug and play for Holley Avenger, HP, and Dominator ECU fuel and oil pressure inputs.

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Holley EFI

Holley Terminator X Fuel Injectors - Set of Eight

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$562.95 $499.95

Terminator X High Impedance Fuel Injectors feature a precision lapped disc valve, high-quality brass windings, and high-temp o-rings. These injectors provide excellent linearity with...

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Holley EFI

4150 Sniper Stealth

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$1,562.00 $1,404.95

The Sniper Stealth 4150 EFI system from Holley features 4, 100LB/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or 600...

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Holley EFI

83 lb/hr Performance Fuel Injectors - Set of 8

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$1,012.95 $899.95

Holley EFI Fuel Injectors feature a precision lapped disc valve, high-quality brass windings, and high-temp O-rings. These injectors provide excellent linearity with no discernible...

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Holley EFI

Holley EFI Terminator X Max - Gen III 4.8/5.3/6.0 GM Truck Engines

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$2,249.95 $1,999.95

Take control of your LS engine with Terminator X Max. Don't settle for a junkyard ECU with a cumbersome tuning interface when you can...

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Holley EFI

Holley EFI Terminator X Max - LS1/LS6

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$2,249.95 $1,999.95

Take control of your LS engine with Terminator X Max. Don't settle for a junkyard ECU with a cumbersome tuning interface when you can...

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Holley EFI

Transmission Cable Bracket

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$47.35 $42.09

Transmission Cable Bracket For TH-700R4 Transmission

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Holley EFI

Holley Terminator X Fuel Injectors - Set of Eight

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$843.95 $749.95

Terminator X fuel injectors are dynamic flow matched within 1%, resulting in extremely precision and consistent injector characteristics. These injectors provide excellent linearity with...

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Holley EFI

160 lb/hr Performance Fuel Injectors - Set of 8

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$1,687.95 $749.95

Holley EFI 160lb/hr Flow Matched Fuel Injectors feature a precision lapped disc valve, high-quality brass windings, and high-temp O-rings. These injectors provide excellent linearity...

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Holley EFI

Holley EFI Terminator X - Gen III 4.8/5.3/6.0 GM Truck Engines

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$1,799.95 $1,599.95

Take control of your LS engine with Terminator X. Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have...

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Holley EFI

Holley EFI Terminator X Max - Gen IV 4.8/5.3/6.0 GM Truck Engines and LS2/LS3

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$2,249.95 $1,999.95

Take control of your LS engine with Terminator X Max. Don't settle for a junkyard ECU with a cumbersome tuning interface when you can...

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Holley EFI

Holley EFI Fuel System Kit

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$877.95 $779.95

Holley EFI fuel kits are the perfect addition to your Terminator or Holley EFI kit. They are engineered using Holley fuel pumps, regulators and...

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Holley EFI

HOLLEY EFI 1/8NPT SENSOR BLOCK

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$78.95 $70.19

Rigidly mounting pressure transducers to your engine is never a good idea. Introducing the Holley EFI sensor block! Compatible with all transducers that utilize...