Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
Availability
Holley Terminator X MAX Engine Control Modules
Holley Terminator X MAX engine control modules are standalone units intended for use as service components for your Terminator X EFI installation. Each X MAX ECU features real-time fuel learn, high-impedance injector drivers, an integrated 1 Bar MAP sensor, electronic transmission control, drive-by-wire throttle body control, and four programmable inputs and outputs. The inputs and outputs are ideal for electric fans, boost control solenoids, progressive nitrous control, and much more. Order your Holley EFI Terminator X MAX Service ECU today. Features: * Compatible with all Terminator X harnesses * OEM (Original Equipment Manufacturer) injectors supported with part numbers provided in the handheld wizard or software * Bosch LSU 4.9 wideband control (will not work with LSU 4.2 oxygen sensors) * Eight built-in multi-color diagnostic LEDs allow you to quickly identify a variety of potential system issues, such as: -- A failed TPS (Throttle Position Sensor) Autoset -- Faulty crank or cam sensors -- Potential oxygen sensor issues * Built-in 1 Bar MAP (Manifold Air Pressure) sensor -- On boosted applications, you can disable the internal MAP sensor and utilize an external MAP sensor * Four inputs—12 V, Ground, 5 V, and Frequency for things, such as: -- Additional pressure sensors -- Activation triggers for nitrous activation -- A trans-brake (fuel and oil pressure inputs are pre-terminated) * Four outputs--Ground, PWM, and accessories, such as: -- Fans, boost control, nitrous control, IAC kit, and more * GM LS and LT, Ford Coyote, and Mopar Gen V drive-by wire throttle body control * GM 4L60 and 4L80, and Ford 4R70W transmission control * Boost Control: -- Boost vs. Time/Gear/RPM/Speed, and boost safeties * Nitrous Control: -- Single channel of wet or dry -- Progressive or non-progressive -- Rich/lean safeties -- Target closed loop AFR * Advanced tables: -- Four 1D tables -- One 1D per gear table -- Four 2D tables -- One 2D per gear table * Free EFI tuning software for complete control of your Terminator X powerplant
( 7 )
$1,229.95
Holley Terminator X Engine Control Modules
Holley Terminator X engine control modules are standalone units intended for use as service components for your Terminator X EFI installation. Each ECU features real-time fuel learn, high-impedance injector drivers, an integrated 1 Bar MAP sensor, and four programmable inputs and outputs. The inputs and outputs are ideal for electric fans, boost control solenoids, or progressive nitrous control. Order your Holley EFI Terminator X Service ECU today. Features: * Compatible with Terminator X harnesses * OEM (Original Equipment Manufacturer) injectors supported with part numbers provided in the handheld wizard or software * Bosch LSU 4.9 wideband control (will not work with LSU 4.2 oxygen sensors) * Eight built-in multi-color diagnostic LEDs allow you to quickly identify a variety of potential system issues, such as: -- A failed TPS (Throttle Position Sensor) Autoset -- Faulty crank or cam sensors -- Potential oxygen sensor issues * Built-in 1 Bar MAP (Manifold Air Pressure) sensor -- On boosted applications, you can disable the internal MAP sensor and utilize an external MAP sensor * Four inputs—12 V, Ground, 5 V, and Frequency for things, such as: -- Additional pressure sensors -- Activation triggers for nitrous activation -- A trans-brake (Fuel and Oil Pressure Inputs are pre-terminated) * Four outputs--Ground, PWM, and accessories such as: -- Fans, boost control, nitrous control, IAC kit, and more * Boost control: -- Boost vs. Time/Gear/RPM/Speed, and boost safeties * Nitrous control: -- Single channel of wet or dry -- Progressive or non-progressive -- Rich/lean safeties -- Target closed loop AFR * Advanced tables: -- Four 1D tables -- One 1D per gear table -- Four 2D tables -- One 2D per gear table * Free EFI tuning software for complete control of your Terminator X powerplant
Not Yet Reviewed
$870.95
On Sale
Holley Terminator X MAX Engine Management Systems
Holley Terminator X MAX engine management systems let you take control of your domestic V8 engine. They give you complete charge of your engine and self-learning fuel strategies, along with the proven, race-winning technology of Holley EFI—all at a budget-friendly price! Every MPFI Terminator X MAX features real-time fuel learn, high-impedance injector drivers, an integrated one-bar MAP sensor—and four programmable inputs and outputs, ideal for electric fans, boost control solenoids, progressive nitrous control, and much more. Also, Holley offers the X MAX systems with either or both drive-by-wire (DBW) throttle body control or transmission control. All kits come fully loaded with base maps for common domestic V8 engine combinations to get you out of the garage and onto the road or track fast. Order the model recommended for your vehicle application. Features include: * Holley EFI industry-leading, easy-to-use software suite allows full laptop access for advanced users * Real-time fuel map learn—takes the guesswork out of tuning your base fuel table * High-impedance injector drivers will safely power most standard injectors and Holley EFI injectors (will not control low-impedance injectors) * Bosch LSU 4.9 wideband relays AFR information to the ECU for accurate reading and precise tuning control * On-board one-bar MAP sensor is perfect for N/A or nitrous engine combos * MAP sensor vacuum hose adapters * 4 inputs: 12 V, ground, 5 V, and frequency * 4 outputs: Ground, PWM, and for accessories * Boost control: boost vs. time, boost vs. gear, boost vs. rpm, boost vs. speed, and boost safeties * Nitrous control: single channel of wet or dry, progressive or non-progressive, rich/lean safeties, and target closed loop AFR; adjustable through touch screen * Advanced tables can be used for any custom tables * On-board diagnostic LEDs allow you to identify any critical engine issues at a glance * The compact ECU size allows you to mount it virtually anywhere. Remember, diagnostic LEDs must face up! * Plug-and-play compatible with more Holley EFI accessories * Available with or without a 3.5 in. touch screen LCD hand-held with easy-to-use calibration wizard; allows you to quickly build a base tune for most V8 engines, as well as tuning and gauge display functions
( 91 )
$2,299.95
$2,068.95
On Sale
Holley Single Plane Carbureted Intake Manifolds
Holley single plane carbureted intake manifolds are designed to provide a broad rpm powerband for high performance street/strip engine applications to a maximum engine speed of 7,500 rpm. The carburetor mounting pads will accept all stock or aftermarket square-bore carburetors with manual or electric chokes. These Holley intake manifolds are also engineered to accept most stock hardware and accessory brackets—but offer performance features like: an updated plenum divider area; a 1 in. shorter height than their Strip Dominator manifold; and a choice of two distributor clamp locations. The isolated design of the air/fuel passages helps to increase charge air density and performance. Features include: * Single-plane with isolated plenum * Square-bore carburetor mounting flange * Isolated water crossover * Power band: 2,500 to 7,500 rpm * Height: Front 4.18 in., rear 5.28 in. * Port size: 1.92 in. height, 1.20 in. width
( 9 )
$562.95
On Sale
Holley Power Steering Pumps
Holley has responded to the expanding late model marketplace by developing the most complete line-up of performance upgrades and engine swap products, including Holley power steering pumps. They are available in two versions: cast iron Saginaw Type II pumps with reservoirs for use on low accessory drives; or Corvette-style lightweight aluminum pumps (also known as Saginaw TC type pumps) for use with Holley driver's side brackets. The aluminum pumps also work with Holley's special reservoir kit.
( 1 )
$562.95
$449.95
—
$505.95
On Sale
Holley EFI Gen III Hemi Hi-Ram Intake Manifolds
Holley EFI Gen III Hemi Hi-Ram intake manifolds are for high performance applications where induction system height is not limited. Able to add even more power to your engine, these manifolds have large intake ports and a modular base design with runner lengths and tapered cross-sections that will perform well for a wide range of engine configurations. Their aggressive, bold, race-bred styling will make bad intentions clear for drag race, muscle car, marine, off-road, sandrails, pulling trucks, track, and street-rod applications. Holley EFI Gen III Hemi Hi-Ram intake manifolds feature cast aluminum construction offered with a natural satin or black finish. They are available with either a 95 or 105mm LS-style throttle body or as the manifold base alone for custom induction systems. Features and benefits: * Modular design base accepts a wide range of EFI tops and can be used as the foundation for custom induction systems * EFI fuel rails are machined for -8 AN O-ring fittings with passages large enough to accommodate high fuel flow and dampen pressure pulsations in the fuel system * Intended for use on naturally aspirated, forced induction, or nitrous engines in the 5.7L to 7.2+L range, and maximum power at 7,500 to 8,500 rpm * Works with Gen III Hemi injectors and Bosch EV-1 style injectors * O-ring seal to head offer superior OE-style sealing and are easy to replace * Billet oil fill cap offers an attractive low-profile design * Positive Crankcase Ventilation (PCV) ports with adapter fittings * Port for OE-style Manifold Absolute Pressure (MAP) sensor (1 or 2 Bar) * Cast-in pads for adding nitrous nozzles
( 2 )
$1,024.95
—
$1,549.95
$921.95
—
$1,393.95
On Sale
Holley EFI Hi-Flow Billet Fuel Rails
Holley EFI Hi-Flow billet fuel rails offer flow capacity for high horsepower applications and billet aluminum construction that is machined and black anodized for great style under the hood. Laser-etched with the "Holley EFI" logo, the fuel rails feature a 5/8 in. diameter fuel passage, -8 ORB ports on each end, and an 1/8 in. NPT port for a fuel gauge installation if you choose to do so. Holley EFI Hi-Flow billet fuel rails are designed with the factory injector clip reliefs so that your factory injectors and retaining clips can be reused. This is important as the clips locate the injector radially for proper injector spray pattern onto valves. The kits include fuel rails, mounting brackets, and required mounting hardware.
( 3 )
$255.95
On Sale
Holley Mid-Mount Complete Accessory Systems
Holley Mid-Mount complete accessory systems achieve what no other accessory bracket systems do--eliminate the brackets! This pulls in all the accessories tighter than other accessory drives by bolting directly to other components for a clean, integrated form. They offer superb engine visibility to show off your horsepower, not your accessories. Holley Mid-Mount complete accessory systems are available in several versions and finishes to match your application. Order the kit designed to fit your engine.
( 106 )
$3,949.95
$2,227.96
—
$4,099.95
On Sale
Holley Terminator X Engine Management Systems
Holley Terminator X engine management systems let you take control of your domestic V8 engine. These kits give you complete charge of your engine and self-learning fuel strategies, along with the proven, race-winning technology of Holley EFI—all at a budget-friendly price! Every MPFI Terminator X features real-time fuel learn, high impedance injector drivers, an integrated one-bar MAP sensor—and four programmable inputs and outputs, ideal for electric fans, boost control solenoids, progressive nitrous control, and much more. All systems come fully loaded with base maps for common engine combinations to get you out of the garage and onto the road or track fast. Features include: * Holley EFI industry-leading, easy-to-use software suite allows full laptop access for advanced users * Real-time fuel map learn—takes the guesswork out of tuning your base fuel table * High-impedance injector drivers will safely power most standard injectors and Holley EFI injectors. (Will not control low-impedance injectors) * Bosch LSU 4.9 wideband relays AFR information to the ECU for accurate reading and precise tuning control * On-board one-bar MAP sensor is perfect for N/A or nitrous engine combos * MAP sensor vacuum hose adapters * 4 inputs: 12 V, ground, 5 V, and frequency * 4 outputs: Ground, PWM for accessories * Boost control: boost vs. time, boost vs. gear, boost vs. rpm, boost vs. speed, and boost safeties * Nitrous control: single channel of wet or dry, progressive or non-progressive, rich/lean safeties, and target closed loop AFR; adjustable through touch screen * Advanced tables: 4 x 1D tables, 1 x 1D per gear table, 4 x 2D tables, 1 x 2D per gear table * On-board diagnostic LEDs allow you to identify any critical engine issues at a glance * The compact ECU size allows you to mount it virtually anywhere. Remember, diagnostic LEDs must face up! * Plug-and-play compatible with more Holley EFI accessories * Available with or without a 3.5 in. touch screen LCD hand-held with easy-to-use calibration wizard; allows you to quickly build a base tune for most domestic V8 engines, as well as tuning and gauge display functions (not available with every kit)
( 96 )
$1,949.95
$1,753.95
—
$1,949.95
On Sale
Holley Alternator Brackets
Holley alternator brackets are the perfect solution to mounting your alternator when a new brackets is needed. Made from high-quality materials and available in multiple finishes Holley alternator brackets will look great under the hood of any show car. Order the model recommended for your engine application.
( 2 )
$390.95
$351.85
On Sale
Holley EFI Gen III Hemi Single Plane Intake Manifolds
Holley EFI Gen III Hemi single plane intake manifolds provide maximum hood clearance combined with plenum and runner geometry that provides a broad rpm powerband for high performance street/strip engine applications to a maximum engine speed of 7,500 rpm. The isolated design of the air/fuel passages helps to increase charge air density and performance. Holley EFI Gen III Hemi single plane intake manifolds are great for turbocharger, centrifugal blower, or NOS power adders. Features: * Minimum carburetor flange height for maximum clearance to hood * 4150-type throttle/carb flange * Cast aluminum construction * Billet fuel rails * Billet aluminum oil fill cap * Mounting brackets for use with either Bosch EV1 or Gen III Hemi OEM fuel injectors * O-ring seals around ports * Natural or black finish available
( 2 )
$649.95
—
$665.95
$583.95
—
$598.95
Holley Thermostat Housing Assemblies
Holley thermostat housing assemblies include replacement components for a variety of accessory drive system styles, including mid-mount. These kits feature genuine Holley parts, providing the correct fit to restore optimum operation. Keep your engine running cool with an assist from the Holley thermostat housing assemblies best suited for your application.
( 2 )
$83.75
—
$91.05
On Sale
Holley EFI Gen III Hemi VVT and SRV Harnesses
Holley EFI Gen III Hemi VVT and SRV harnesses offer control. 2009+ Gen III Hemi engines rolled off the showroom floor with Variable Valve Timing (VVT). Now, both Holley Terminator X and Terminator X Max ECUs will allow you to control and tune the VVT with the use of the plug-and-play VVT harness. But the fun does not stop there! If you are using a stock intake manifold that came from the factory with the Short Runner Valve (SRV), Holley also has a plug-and-play sub harness that will allow you to utilize the SRV actuator and capitalize on its low rpm torque benefits. Features: * Plug-and-play with the factory Gen III HEMI VVT sub-harness, and any Holley EFI HEMI main harness connecting to the power tap and input/output connectors * Provides control of VVT solenoid under the intake manifold * SRV (Short runner valve) connector pre-wired into the sub harness allowing you to simply plug into the factory SRV actuator in the intake manifold
Not Yet Reviewed
$167.95
$151.15
Holley Late Model Dual Pump Module Relay Kits
Holley Performance offers late model dual pump module relay kits for a variety of applications—including many Ford, Dodge, and Chrysler vehicles from 2005 and up. Each kit includes essential parts necessary to wire twin pump modules to a vehicle. The installation starts with two high-quality Hella 40 amp relays, as well as relay sockets with 10 ft. wire lengths, 12 gauge primary wires, 16 gauge secondary signal wires, and heat shrink sealing connectors to complete your install. Also included are two fuse holders and 30 amp fuses, one for each pump.
Not Yet Reviewed
$190.95
Holley Drive-By-Wire Accelerator Pedals
Holley drive-by-wire accelerator pedals perfect complements to any vehicle using DBW. They offer plug-and-play compatibility with Holley EFI and simply bolt into the stock locations when used with Holley's DBW pedal brackets (sold separately). Features: * Simplifies engine swaps with DBW accelerator systems * Works great with Holley EFI installation * Provides modern look and performance for classic vehicles * Fits in OE location when used with Holley DBW pedal brackets
( 1 )
$110.95
Holley EFI Gen III Hemi VVT Harnesses
2009+ Gen III Hemi engines rolled off the showroom floor with Variable Valve Timing (VVT). Both the Terminator X and Terminator X Max ECUs will allow you to control and tune the VVT with the use of Holley EFI Gen III Hemi VVT harnesses. These plug-and-play harnesses (to the factory sub-harness) provide control of VVT solenoid under the intake manifold.
Not Yet Reviewed
$128.95
Holley Gen III Hemi Alternator with Relocation Kit
One of the challenges with a Gen III Hemi swap is alternator clearance. The Holley Gen III Hemi alternator with relocation kit is the solution. These kits come complete with everything you need to move the alternator to a more ideal location to provide additional clearance to the frame on the passenger side of the engine. The kits include the mounting bracket, pulley, alternator and hardware for installation. The alternator is smaller and more compact, further helping clearance issues, making them easy to wire. The steel relocation bracket is black powdercoated for extra rigidity and corrosion-resistance. Make your Gen III Hemi swap easy with one of these Holley kits.
Not Yet Reviewed
$767.95
On Sale
Holley Power Steering Pulleys
Holley power steering pulleys are designed to work with Holley aluminum power steering pump assemblies and similar pumps with a 0.66 in. shaft. These Corvette-style steel pulleys are the accessory drive add-ons you need to keep your auto running smooth.
( 13 )
$126.95
Holley Gen III Hemi Timing Covers
Holley Gen III Hemi timing covers are offered in two finishes for your mid-mount accessory drive system. Available for Hemi engines with or without VVT, these covers are the correct replacements for those originally supplied in your Holley complete accessory system. They will provide the perfect fit and expected performance to service your system. Choose the Gen III Hemi timing cover required for your setup.
Not Yet Reviewed
$530.95
—
$587.95
Holley Power Steering Mounting Plates
Holley power steering mounting plates provide the perfect solution for the factory power steering pumps on late-model engines that have too much pressure for the steering box on most older muscle cars and trucks. These billet aluminum mounting brackets bolt to existing tapped holes on the left side of the cylinder head of Gen III Hemi style engines. Keep your power steering pump securely in place with Holley power steering mounting plates.
Not Yet Reviewed
$81.95
Holley Crankshaft Seal Installation Tools
Holley crankshaft seal installation tools keep the seal straight and square during installation, eliminating seal damage. Featuring diecast aluminum construction, the seal installation tool is to be used along with a standard harmonic balancer installation tool to properly install the crankshaft seal in the timing cover. These special tools from Holley are available for your Gen III Hemi or 7.3L Godzilla engine. Choose the one for your engine. Holley installation tools are available to: * Work with Holley Gen III Hemi mid-mount accessory drive systems and stock factory timing covers * Work with 7.3L Godzilla engine and Holley and stock factory timing cover
( 1 )
$25.61
On Sale
Holley Power Steering Hard Lines
Holley power steering hard lines offer a clearance solution. The pressure hose connection on the Type II power steering pump is really close to the pulley making it difficult to attach the hose. Holley power steering hard lines move the connection behind and below the pump for clearance and improved appearance. The special banjo bolt and crush washers provide additional clearance. Holley also includes a mounting bracket that makes the hardline stronger and less likely to crack from vibration or abuse. The kits are made from strong steel and zinc plated.
( 4 )
$74.85
On Sale
Holley Drive-By-Wire Throttle Body Wiring Harnesses
Holley drive-by-wire throttle body wiring harnesses are designed for use with the Holley Dominator ECU, as well as the factory drive-by-wire throttle body. These harnesses feature pre-terminated connections, ensuring true plug-n-play installation.
Not Yet Reviewed
$119.95
On Sale
Holley Wiring Harness Connectors
Holley wiring harness connectors provide one-stop shopping for your wiring needs. Along with their extensive line of wiring components, Holley offers a tremendous assortment of genuine OEM connectors to hook up your wiring project properly, securely, and completely. They're available individually and in packs of 10—with most including pins, seals, and TPA. Finish wiring your Holley-powered machine with their quality wiring harness connectors.
( 9 )
$11.63
—
$15.15
