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On Sale
Holley EFI Fuel System Plumbing Kits
Holley EFI fuel system plumbing kits are the perfect complement to your Sniper EFI or Holley EFI kit. These plumbing assemblies are engineered using Holley fuel pumps, regulators, and filters—coupled with Earl's Performance plumbing, to provide a fuel system tailored to your vehicle's specific needs. Components vary, depending on the kit you select.
( 34 )
$377.95
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$549.95
$340.15
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$493.95
On Sale
Holley Air Bleed Assortment Kits
Holley air bleed assortment kits are a must when track-tuning a 4500 Dominator HP carb for maximum performance. They include four of each air bleed size from 23 to 79, and feature 10-32 UNF threads.
( 6 )
$357.95
$322.15
On Sale
Holley LS Engine Accessory Drive Kits
Holley LS engine accessory drive kits offer simple, clean, cost-effective solutions when swapping a GM LS engine into a muscle car, truck, hot rod, or any other vehicle. These bracket kits deliver a factory-style appearance, correct belt alignment, and factory stability. They fit virtually all common LS engines, regardless of water pump and harmonic balancer offsets—reducing cost and complexity. Holley LS engine accessory drive kits position the A/C compressor high above the crossmember, but below the hood line, for an easy installation. The brackets are manufactured from diecast aluminum with a natural, polished, or black finish. (An application-specific installation kit is required, but sold separately.)
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$511.95
$265.01
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$459.95
On Sale
Holley Hydraulic Throwout Bearing Conversion Kits
Experience the benefits of a modern hydraulic clutch system—with improved drivability and reduced maintenance requirements—courtesy of Holley's new line of hydraulic clutch conversion kits. These throwout bearing conversion kits are designed specifically for Chevrolet Camaro and Pontiac Firebird models and allow for easy conversion from a mechanical clutch linkage to a modern hydraulic clutch system. They include all necessary components for a straightforward installation: clutch master cylinder, clutch pedal with pad, clutch rod assembly, master cylinder mount and reinforcement plate, master cylinder reservoir kit, and all required mounting hardware. Pedal ratios have been optimized for perfect pedal feel and full engagement of the clutch system. With so many engine and transmission combinations available, Holley has left it up to the installer to decide on which release (or throwout) bearing and hydraulic lines will be used. The Holley hydraulic conversion kit is engineered to fit each model perfectly, ensuring a trouble-free installation and optimal performance. Each kit offers several advantages over traditional mechanical clutch linkage systems. First and foremost, they provide a smoother and more precise clutch engagement, resulting in improved drivability and reduced wear and tear on clutch components. Additionally, the hydraulic system eliminates the need for periodic adjustments and maintenance that are typically required with mechanical clutch linkages and the use of many modern transmissions such as the T56, TR6060, Magnum, TKX, TKO, and classic 4-speeds. Order the conversion kit recommended for your vehicle.
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$382.95
$344.65
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$357.95
On Sale
Holley LS Engine Alternator and Power Steering Brackets
Holley LS engine alternator and power steering brackets are designed to help you get your alternator and power steering pump mounted in the proper location. They include the necessary hardware to mount the assembly in place. An application-specific installation kit may be required, and must be purchased separately if needed.
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$299.95
$269.95
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$306.95
On Sale
Holley Chevy Camshaft Sync Kits
A cam sync signal is required to run sequential fuel injection, and Holley camshaft sync kits are ready to set the firing order for top performance. Available in a choice of kits for standard cam height small block and big block Chevys, as well as raised cam height big blocks, these Holley kits fit Jesel and other external, dry timing belt cam drive systems. They provide a plug-and-play cam position signal to Holley EFI systems, but are also compatible with any EFI system which can read a digital, square-wave cam input signal. All of the kits feature unique T-nut and bracket designs that allow for complete sensor adjustment from the outside of the bracket with a single jam nut. Let your ECU know which cylinder is number one in the firing order with a signal from Holley Chevy camshaft sync kits. Holley kits include: * 3-wire H all-effect sensor (8 to 20 V) * Anodized billet aluminum bracket * Mounting hardware * Mating connector * Stainless steel 1/4 in.-20 "flying magnet" screw with a high-temperature, rare-earth magnet
Not Yet Reviewed
$368.95
$322.15
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$377.95
Holley Power Steering Pump Kits for Gen III Hemi Engines
Holley offers power steering pump kits that are ideal for Gen III Hemi engine swaps. The late-model factory power steering pump on the Mopar Gen III Hemi engines have too much pressure for the steering box on most older muscle cars and truck models. These special Saginaw Type II power steering pumps will produce the proper pressure, and the pulley is sized to operate the pump at the proper speed when used with the factory drive system on Gen III Hemi engines with a factory timing cover. The hardline adapter moves the power steering hose connection to a more easily accessible location for ease of installation and maintenance. Features and benefits: * Low-pressure power steering pump kit—for use with factory low-pressure steering boxes on muscle cars and trucks with Gen III Hemi engine * Works with factory "truck style" accessory drive system for 2009-2022 5.7L Ram 1500 Gen III Hemi engines—and some additional applications * Works with factory timing cover (Mopar P/N: 53022195AM) * Helps prevent damage to steering box on older vehicles (due to excessive pressure) * 6-rib billet aluminum pulley with black anodized finish—sized for proper pump speed * Power steering pump assembly includes a plastic reservoir * Special hardline moves -6 AN hose connection to a more accessible location
Not Yet Reviewed
$486.95
Holley Carburetor Linkage Kits
Within Chevy circles, the world-famous Holley Tri-Power carburetor systems were legendary--they were the ultimate power statement when they came factory on vehicles like the 1967 427 Corvette. Thanks to Holley, now you can have the same look on your small block Chevy with these carburetor linkage kits. They are specifically designed for a 3 x 2 carb setup and are great for street cars, muscle cars, hot rods, and more!
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$280.95
On Sale
Holley EFI CAN Input/Output Modules Kits
The Holley EFI CAN Input/Output Module kit can be added to Holley EFI HP, Dominator, Terminator X and Terminator X Max EFI installation. This CAN module will add eight inputs and eight outputs to the system, which can be used to control additional accessories or provide critical sensor inputs. This module is perfect for anyone wanting to enhance the capabilities of their current ECU, yet have already tapped out their ECU's Input/Output channels. Product features: * Quickly expand your HP/Terminator X or even Dominator ECU's Input/Output control with 8 additional inputs and outputs * This module is perfect for anyone wanting their Holley EFI ECU to control more functions or monitor more data channels * HP and Terminator X EFI installations with only 4 inputs and 4 outputs can now add more functionality to their EFI system * The 554-165 kits contain a pre-terminated CAN harness, allowing you to quickly install the Holley EFI CAN Module to any existing Holley EFI installation * Pre-terminated flying leads makes installing new wires a breeze * Inputs can be used for things such as: - Switch 12 V toggle switches; can be configured for external mechanical relays, or setup as digital switches via a Holley EFI dash - Ground input for brake pedal switch - 5 V analog inputs for sensors like fuel pressure, oil pressure, or nitrous bottle pressure - Thermistor inputs for coolant temperature sensors * Outputs can be used for things such as: - Switch Low (ground); for relay control or activation - Switch Low PWM (ground); PWM fan control, PWM fuel pump control, or other PWM-controlled devices * Adjustable broadcast rate for each channel: from 0-100hz
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$499.95
$409.95
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$448.95
On Sale
Holley Sniper EFI Stealth Fuel Crossover Kits
Holley Sniper EFI Stealth fuel crossover kits are designed to be used with either Sniper EFI Stealth 4150 or Terminator X Stealth 4150 systems. These pre-assembled fuel crossovers are designed to provide ample clearance between the fuel hose, and the TPS sensor mounted on the side of the throttle body. Available in two variations, both contain a braided fuel hose with crimp-on ends for a leak-free installation and two fuel bowl standoffs. One variation includes a T-fitting and the other a black anodized billet fuel regulator, preset to 58.5 psi, and a mounting bracket.
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$327.95
$295.15
On Sale
Holley Sniper 3.5 GPM Twin Pump and Manifold Kits
Holley Sniper 3.5 GPM Twin Pump and Manifold Kits are designed for high performance naturally aspirated and forced induction EFI vehicles. The twin pump manifold utilizes -10 AN male inlet and -8 AN male outlet connections for easy installation on new applications and for quick replacement of existing competitor fuel pumps. They support over 1,000 hp Compatible with Gasoline or E85. The Max Flow is 3.5 gpm @13.5V and 4 gpm @18V. The pump manifold assembly is made from billet, anodized, and laser etched for good looks. The manifold inlet and outlet manifolds have 2 ORB ports each to accommodate for different mounting and plumbing situations. Plugs are included to seal off unused ports. The kit includes connectors, seals and detailed assembly instructions. Holley Sniper 3.5 GPM Twin Pump and Manifold Kits feature: * Max amperage: 20A (per pump) * Rated for gas and E-85, pump life will be diminished if used with 100 percent ethanol fuels * Billet, anodized, laser etched components for good looks * Manifold -10 AN male inlet fitting and -8 AN male outlet fitting included, others must be purchased separately * Pump I/O: -8 AN ORB * Pumps can be staged or ran in parallel * Inlet and outlet manifolds have 2 ORB ports each to accommodate for different mounting and plumbing situations. Plugs are included to seal off unused ports * Wiring kits for each pump that contain connectors and seals included * Detailed assembly instructions included * Can be used in both EFI and carbureted fuel systems
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$449.95
$403.95
On Sale
Holley Bypass Fuel Pressure Regulator Kits
Holley bypass fuel pressure regulator kits are part of a complete line of fuel system products from Holley. Offering several different kits, each features a billet or diecast aluminum regulator with an adjustable psi for precise fuel pressure changes and they are finished for corrosion resistance and good looks. The regulators are fitted with a 1/8 in. NPT gauge port and include an Earl's fuel pressure gauge, three adapter fittings, a barbed fitting for the vacuum port, a mounting bracket, and all necessary hardware. Choose the kit to best fit your project's needs and performance.
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$357.95
$276.25
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$339.95
On Sale
Holley Retrofit Oil Pan Baffle Kits for GM LS
Vehicles that endure prolonged sessions of braking, turning, and accelerating need extra protection from oil starvation. That's where Holley retrofit oil pan baffle kits for the GM LS engines come in handy. They are designed to maintain proper oil level at the oil pump pickup during vehicle accelerations, both lateral and linear. The baffle maintains the oil at the oil pump pickup preventing loss of engine oil pressure during maximum cornering in a high performance touring or road racing, as well as under hard acceleration in drag racing vehicles. The baffle is fabricated from sheet aluminum joined by TIG-welded joints. Directionally positioned one-way trap doors allow oil flow towards the oil pump pickup but not away.
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$357.95
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$389.95
$322.15
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$350.95
On Sale
Holley Gen V LT Accessory Drive Installation Kits
Holley Gen V LT accessory drive installation kits allow the use of high-mount LS accessory drive systems on LT engines. These kits allow you to choose the source for supplemental accessories and components that are often already on a donor engine or host vehicle. This drive system has incorporated an upgrade to the conventional looking and central located (Camaro style) LS water pump that works in conjunction with an OEM LT1 truck harmonic balancer. Holley Gen V LT accessory drive installation kits include spacers for the LS style brackets, water pump spacers, solenoid reclocking retainer ring, re-routed front harness, and all hardware. Other features: * No engine modification required * Hides temperature sensor and harness connector from site * Cost effective and proven solution * Utilizes conventional single sided belt * Easy way to add power steering with your Gen V LT swap
Not Yet Reviewed
$299.95
$269.95
On Sale
Holley EFI Digital Dash I/O Adapter with Wiring Harness Kits
Holley EFI Digital Dash I/O adapter with wiring harness kits offer more performance from your digital dash. Available terminated or unterminated, these vehicle harnesses provide 10 additional inputs/outputs to your 7 in. unit. They can be configured for gauges or switches and data-logged locally through your digital dash. The adapters bring out connections to a waterproof 26-pin connector, similar to ones used on EFI units, and the kits include a USB memory stick to update digital dash firmware that supports the adapter.
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$357.95
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$409.95
$322.15
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$367.95
Holley Gen III Hemi Alternator Relocation Kits
Holley Gen III Hemi alternator relocation brackets help solve the challenge with Gen III Hemi swaps when the alternator won't clearance the frame on the passenger side of the engine. These braces mount your small Holley alternator (sold separately) low and inward for extra clearance. Holley Gen III Hemi alternator relocation kits fit Gen III Hemi engines with VVT and "car style" factory accessory drive systems. More product features include: * Quality finish for corrosion resistance * Robust material construction for strength and resistance to flex * All hardware for installation
Not Yet Reviewed
$255.95
Holley Water/Methanol Injection System Installation Kits
Holley water/methanol injection system installation kits are designed for use with Holley HP and Dominator EFI systems. They are programmed for 100 percent water and up to a 50/50 percent mixture of water and methanol--never use more than 50 percent methanol in the mixture, or damage to components may result. These are installation kits only; a pump and solenoid(s) are required, as well. Kits include: * Reservoir * Low-level float * Filter * Tubing * Relay * Relay wiring fuse * Warning LED * Fittings
Not Yet Reviewed
$294.95
On Sale
Holley Sniper EFI Dual-Plenum Intake Linkage Kits
Holley Sniper EFI dual-plenum intake linkage kits are effective solutions to handle dual cable driven throttle bodies. They provide all brackets, plates, throttle cables, hardware, and detailed instructions to offer a complete and seamless installation. Linkage kits are available in a silver or black finish and 92mm and 102mm throttle bore diameters to offer solutions for all Holley Sniper dual plenum intake manifolds.
Not Yet Reviewed
$499.95
$281.55
Holley Ford 7.3L Godzilla Alternator Kits
The factory alternator on the 2020 and up Ford 7.3 L Godzilla engine is a bulky single or dual alternator design that is tough to package in an engine swap. The Holley Ford 7.3L Godzilla alternator kits provide a more compact solution for extra clearance and works with the factory timing cover, water pump, damper/crank pulley, and intake manifold. They also will work with after-market damper/crank pulley. The bracket and alternator are compact and lightweight, and the Holley alternator is easy to wire and does not require the factory ECU to function like the OE alternator. Holley includes the plug/pigtail, pulleys, and belt in a complete kit. Please note the included belt is for alternator-only applications, but the instructions specify the belt for other configurations. The bracket allows for any accessory configuration, and it works with or without the air conditioning compressor and with or without a power steering pump. Features and details: * Alternator kit and mounting bracket for Ford Godzilla 7.3-liter engine swaps * Great solution with everything needed to add an alternator to the Ford 7.3-liter crate engine * Eliminates bulky dual alternator system—factory setup on some heavy-duty trucks * Works with the factory timing cover, water pump, damper/crank pulley, and intake manifold—also works with after-market damper/crank pulley * Compact design with alternator pulled in tight to the engine for extra clearance under the hood * The mounting bracket is compatible with Holley alternator models: PN: 197-300, 197-301, 197-302, and 197-303 * Easy wiring of alternator and does not require factory ECU to excite alternator—wiring pigtail included * Choose from a complete kit with 105-amp Holley alternator (PN: 20-380), or bracket kit (PN: 97-409) * Natural as cast finish on the mounting bracket and alternator * Works with or without an air conditioning compressor * Works with or without a power steering pump * For alternator-only race setup, Holley bracket PN: 97-409 should be used with Holley premium alternator (PN: 197-302 or 197-303)—ideal for high rpm applications (alternator designed and tested for up to 30 percent higher rpm) * Ideal for use on Godzilla crate engines and engine swaps
Not Yet Reviewed
$460.95
On Sale
Holley Intake Manifold Adapter Kits
These Holley intake manifold adapter kits let you mount older intake manifolds to the newer style center-bolt cylinder heads. They include four angled spacers with matching Allen head bolts to adapt Holley intake manifolds to the new-style heads.
Not Yet Reviewed
$409.95
$367.95
Holley EFI Single-Channel EGT Kits
Introducing the Holley EFI Single-Channel EGT kits! They keep you in-the-know about what's going on with your engine. Exhaust gas temperature data is critical information when your engine tune-up seems to be on the ragged edge. Knowing the exhaust temp can help you identify potential horsepower left on the table, or pinpoint any weak links in your max effort race engine. Holley offers these EFI Single-Channel EGT kits for non-Holley applications, as well as compatibility with HP Tuners, Dominator EFI, and Terminator X. Order the Holley EFI Single-Channel EGT kit to meet your application needs. Kit features, specs, and parts may include: * Single-Channel CANbus EGT controller module for quick and easy installation with Holley EFI—or Single-Channel Analog EGT controller with unterminated output wires for universal installations (please specify when placing order) * High-quality 1/4 in. stainless steel EGT weld bung * Robust 1/4 in. probe designed to withstand extreme cylinder pressures * Sensor (included) is designed to work with any engine combination, with an open reinforced tip for the fastest response rate and improved shielding
Not Yet Reviewed
$319.95
Holley Sniper EFI 5 in. Digital Dash Displays
With over twice the resolution and improved color depth, Holley's new 5 in. Digital Dash display for the Sniper EFI family provides enhanced functionality at your fingertips. Three pre-loaded and customizable screens cleanly display the data you need most, while the built-in tuning and data-logging interfaces allow for easy tuning adjustments. An included GPS antenna measures accurate vehicle speed. Reveal even more data by pairing up the EFI 5 in. Digital Dash with Sniper's standard 3.5 in. touch screen via a 558-465 CAN splitter! The Sniper EFI 5 in. Digital Dash comes out of the box, ready to plug-and-play with your Sniper EFI installation. The 5 in. digital touch screen display is pre-loaded with three easy-to-read layouts that provide critical system information, such as Throttle Position, Manifold Air Pressure, Air/Fuel Ratio, Battery Voltage, Engine Coolant Temperature, RPM, and Speed, thanks to the provided magnetic GPS antenna included in the kit. The Sniper 5 in. Digital Dash also offers tuning, the hand-held wizard, and data-logging, so you don't have to keep your 3.5 in. display plugged into the system while utilizing the 5 in. dash! The Sniper 5 in. also includes two dash mounting stand-offs and suction cup, allowing you to quickly mount the dash to most flat surfaces in the vehicle without drilling any holes. Product features: * Plug-and-play display with all generation 1 Sniper EFI, Terminator X, XMAX, Dominator and HP models; installation consists of plugging in the 5 in. Dash to the Sniper EFI CAN connector, and mounting the GPS antenna! * Built-in Calibration Wizard allows you to quickly build a base engine calibration for your EFI-powered vehicle, without the need of a laptop * Three default background skins pre-loaded with the option to customize the existing layouts to read exactly what information you want to see! * Quickly swipe between multiple monitor screens, with customizable parameters (tune, warm-up, race, drive, etc.) * Built-in GPS speedometer (magnetic antenna included) * Provides real-time ECU tuning, allowing you to dial in your AFR, ignition timing, or any other hand-held tunable value, such as IAC or acceleration enrichment * Expandable storage via included micro-SD allows you to quickly access the ECU calibrations, datalogs, or any other files you may use with your Sniper EFI system * No stylus required; capacitive touch, just like your smart phone * Convenient dimming feature for night-time driving; simply press the Sniper EFI icon on the background to quickly dim or brighten the screen * Includes suction cup mount and two different length stand-offs for different mounting configurations, just like the 3.5 in. but with a larger, easier-to-use screen * Not compatible with Sniper EFI 2 systems
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$483.95
On Sale
Holley Electric In-Line Fuel Pumps
Holley universal, in-line fuel pumps are intended for fuel injection systems. They are designed to work in-line, not inside the tank, so installation is a snap. They're all rated for continuous duty service and have been tested up to 2,500 hours. The high-output versions are great for serious performance work. These pumps should be mounted below the fuel level of the tank for a good gravity feed on the inlet side. Features include: * OE-proven design * Lightweight and compact * Fits most EFI applications including turbo and supercharged * Not for use on aircraft of any type
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$325.95
$293.35
Holley Sniper 2 EFI 5 in. Digital Dash Displays
Holley Sniper 2 EFI 5 in. digital dash displays come out of the box, ready to plug-and-play with your Sniper 2 EFI ECU. The 5 in. digital touch screen display is pre-loaded with three easy-to-read layouts that provide critical system information, thanks to the provided magnetic GPS antenna. Also included is the same handheld wizard as the 3.5 in., tuning, and data logging, along with two dash mounting stand offs and a suction cup, allowing you to quickly mount the dash to most flat surfaces in the vehicle, without drilling any holes. Additional notes and features: * Compatible only with Sniper EFI 2 Products * Next Generation mil-spec style M8 positive lock connector for easy and secure installation * Built-in Calibration Wizard allows you to quickly build a base engine calibration for your Sniper 2 EFI powered vehicle, without the need of a laptop * Three default background skins pre-loaded with the option to customize the existing layouts to read exactly what information you want to see * Quickly swipe between multiple monitor screens, with customizable parameters (tune, warm-up, race, drive, etc.) * Provides Real-time ECU tuning, allowing you to dial in your AFR, Ignition Timing, or any other handheld tune able value, such as IAC or Acceleration Enrichment * Expandable storage via included micro-SD, allowing quick access to ECU calibrations, datalogs, or any other files you may use with your Holley EFI system * Capacitive touch--no stylus required * Convenient dimming feature for nighttime driving, simply press the Sniper EFI icon on the background to quickly dim or brighten the screen
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$460.95
