Availability
Showing In Stock Items. Show All 265 Items.
On Sale
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
( 89 )
$1,789.95
—
$2,499.95
$1,609.95
—
$2,248.95
On Sale
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)
( 94 )
$1,349.95
—
$1,449.95
$1,213.95
—
$1,303.95
On Sale
FiTech presents Ultimate LS standalone ECUs. These self-learning ECUs are offered with and without transmission control. So if you're considering utilizing a factory intake, throttle body, and injectors, FiTech Ultimate LS standalone ECUs will get your engine ready for optimal performance.
( 51 )
$959.00
—
$1,202.00
$815.15
—
$1,021.70
On Sale
Holley Dominator EFI vehicle management systems are intended for all engine applications, from street to high-end racing. They have nearly unlimited capabilities to control any power adder, input, or output that you can throw at them. Features include: * 12 sequentially driven 8:2 peak and hold injector drivers capable of driving up to 24 low or high-impedance injectors * 12-channel distributorless ignition outputs capable of directly driving smart ignition coils or Holley DIS coils * Plug-and-play control of factory GM 24x and 58x LSX engines * Integrated electronic transmission control--currently can control GM 4L60E and 4L80E * Integrated dual channel wideband oxygen sensor controls, work with NTK or Bosch sensors * Integrated drive by wire throttle body control, can control two drive by wire throttle bodies * 4-stage progressive nitrous oxide controller * Turbo boost control * Integrated water/methanol injection control * Integrated data acquisition and control allowed with massive amount of programmable inputs and outputs * Internal data logging standard with a huge 2 GB of memory * Self-tuning fuel table strategy greatly simplifies tuning process * Store and change between four calibrations * Individual cylinder fuel and spark control allows you to unlock your engine's potential
( 6 )
$3,049.95
—
$3,399.95
$2,743.95
—
$3,058.95
On Sale
FiTech Ultimate TPI standalone ECUs bring an old GM TPI-controlled engine (L98, LB9) into modern times. These standalone EFI kits plug into all existing sensors on a GM TPI engine and provides complete control of the engine. From timing control to self-learning fueling, FiTech Ultimate TPI standalone ECUs deliver new life into the GM TPI engine.
( 9 )
$847.00
—
$1,060.00
$719.95
—
$901.00
On Sale
Holley HP EFI ECU and harness kits allow you to manage automotive functions—like the fuel and ignition of your engine, along with controlling nitrous, boost, or water/methanol. Select the model with options needed for your vehicle application. (Note: some models are engine-specific.) Features and notes: * Eight sequentially driven 8:2 peak and hold injector drivers capable of driving up to 16 low or high-impedance injectors are standard * 8-channel distributorless ignition (DIS) outputs capable of directly driving "smart" ignition coils or Holley DIS coils * Integrated, single-channel wideband oxygen sensor control. Works with NTK or Bosch sensors. More channels can be added via CAN bus. * Internal data-logging is standard, with a huge 2GB of memory * 4-stage progressive nitrous control * Turbo boost control * Integrated water/methanol injection control * Self-tuning fuel table strategy greatly simplifies tuning process * Individual cylinder fuel and spark control allow you to unlock your engine's potential * Compatible with 4, 6, and 8-cylinder engines * Unique lbs./hr.-based fueling strategy greatly simplifies tuning * Advanced idle, closed loop, and enrichment strategies allow for very stable operation * Fully potted and can be mounted in the engine compartment or interior * Sealed automotive and marine-grade connectors * Allows for use of common OEM sensors, as well as customer sensor calibration input * Ignition plug-and-play with GM 24x and 58x LSx engines, GM HEI, Ford TFI, magnetic, and hall effect trigger, and other ignition systems * 1-5 bar MAP sensor capability * 2-channel knock control sensor inputs for both one and 2-wire knock sensors * Dedicated fuel and oil pressure inputs * Control both stepper and PWM idle air control (IAC) motors * Speed density, Alpha-N, or combination fueling strategies * Four programmable high or low pulse width modulated (PWM) outputs and four fully configurable inputs can be configured for use * Lean or rich safety cutoff
( 25 )
$2,649.95
$2,383.95
On Sale
Take control of your engine a Holley Terminator LS plug-and-play multi-port engine management system. They include all the necessary parts to control the fuel, spark, 4L60/4L80E or 4L60E/4L80E transmission, the vehicle's drive-by-wire, or some combination of those (depending on the application) on your stock or mild LS. Order the model recommended for your year/make and engine application. Holley Terminator LS plug-and-play multi-port systems include: * Terminator EFI ECU * Terminator hand-held controller with 3.5 in. full-color touch screen * Main power harness * Main engine harness * Injector harness * Other harnesses as required by the application * Oxygen sensor with fitting
( 1 )
$2,749.95
—
$4,349.95
$2,473.95
—
$3,913.95
On Sale
Fleece Performance universal coolant level float switches feature stainless steel bodies with 1 in. NPT thread, 8 in. harness, and 2-pin metripack connector. They have a 3/4 in. float travel and are for use with the Fleece's coolant tank or custom configuration tanks with 1 in. NPT bung.
Not Yet Reviewed
$39.99
$33.99
On Sale
Holley LS extended-length main engine harnesses are 22 in. longer than previous harnesses. Designed to fit most 24x and 58x LS engines from 1997-2012, they are a perfect fit for installers wanting to mount any Holley EFI ECU inside of the passenger compartment where it is away from the elements, and easy to access, such as on a roll bar or under the passenger seat. Notes: * Plug-and-play with Dominator, HP, Terminator X, and Terminator X Max ECUs * LS1/6 harness interfaces with 24x crank and 1x cam sensors * LS2/3/7 harness interfaces with 58x crank and 4x cam sensors
( 1 )
$672.95
$604.95
On Sale
Painless Performance GM Gen IV Vortec truck engine wiring harnesses are designed to operate any Chevrolet Gen IV engine coupled with a 4L65E, 4L70E, 4L80E, or 4L85E automatic transmission. They cannot be used with a 4L60E transmission because it's missing the input speed sensor required by the transmission control module. The harnesses support engines with or without cylinder deactivation and/or variable valve timing. They feature an integrated weatherproof fuse block. Painless Performance GM Gen IV Vortec truck engine wiring harnesses have 10 fused power circuits, including injectors, ignition coils, oxygen sensors, ECM ignition, MAF/VLOM, and fuel pump. They also use an integrated 30 amp fuel pump, 40 amp cooling fan relays, and two ignition relays. The harnesses have an extra 4 ft. of length between the ECM connections and the main engine breakout.
( 1 )
$840.99
$756.89
On Sale
These MSD Chevy crate engine ignition kits make it easy to add MSD performance to your new crate engine. They come available with MSD's Pro-Billet HEI distributor for applications that have enough room to take advantage of an internal coil and large distributor cap. For applications with limited firewall clearance, MSD offers a kit with their Pro-Billet Ready-To-Run distributor and powerful Blaster SS coil. Both kits include a set of universal 8.5mm Super Conductor wires, Pro-Clamp wire separators, and a billet hold-down clamp. They have everything you need to light the fire in your new crate engine!
( 18 )
$799.95
$718.95
On Sale
Terminator X standalone engine management systems offer performance at a budget price with plug-and-play operation. For use with these ECUs, Holley EFI Terminator X LT main engine harnesses are available to make connecting and servicing your system easier. Choose the one designed for your application.
Not Yet Reviewed
$574.95
$516.95
On Sale
Holley LS coil harnesses are factory replacements for stock LS coils. These EFI LS coil sub harnesses are intended to be used with factory LS coils and various Holley EFI main harnesses with coil-on-plug connectors. They are built with the same high-quality connectors and wire loom found on all Holley EFI harnesses, guaranteeing a perfect match in your engine bay. Are you tired of scouring the junkyard for stock LS coil sub harnesses? Holley has the solution. Holley LS coil harnesses feature: * OEM connectors provide a secure connection between your ECU and Ignition Coils * Techflex F6 braided wire loom keeps your engine bay looking clean, while providing abrasion resistance * Plug-and-play fitment * Can be used to replace a damaged factory coil harness
( 18 )
$199.95
$179.95
On Sale
Holley offers MAP sensor adapters for a variety of Chevrolet LS engine applications from 1997 and up. They feature pre-terminated connectors and wiring for a direct plug-and-play installation. Depending on the model you select, the adapter will allow: * The installation of an LS3 MAP sensor in an LS2 or LS1 equipped vehicle * The installation of an MPFI WeatherPack 3-pin connector MAP sensor to the 3-pin Delphi GT connector * The installation of a Delphi MIP 3-pin connector MAP sensor to the 3-pin Delphi GT connector
( 20 )
$40.21
$36.19
On Sale
Painless Performance OEM computers feature a stock calibration made for your specific vehicle while removing the VATS (vehicle anti-theft system) making them the perfect solution for your engine swap. Some tuning may be required for your specific application, but the computer will allow you to start your vehicle and get it to a local tuner. Make your engine swap easier with Painless Performance computers.
( 8 )
$199.99
$179.99
On Sale
Mr. Gasket OE-style starters are built using all new components, not remanufactured, and exceed original equipment specifications for maximum performance and durability. They are hand assembled and tested, and they are ideal for HP, muscle cars, trucks, and daily drivers. Mr. Gasket OE-style starters are available in several styles and sizes for those needing extra clearance to headers and other components, and they have finishes available for a custom or stock look with black or zinc plated and natural aluminum. Choose one made for your vehicle's engine.
( 1 )
$220.95
$198.85
On Sale
MSD ignition coil pack wiring harnesses are designed to connect your ignition coil pack to your aftermarket or OEM ignition. They can be used on both carbureted and fuel injected engines, making them an excellent choice for any application.
( 24 )
$104.95
$94.45
On Sale
You already have the wire and Holley EFI ECU connector kits have the rest of what you need to rewire your EFI installation. Fully terminate your own custom main harness with Holly EFI ECU connector kits. Features include: * Pre-terminated J1A/J1B Tyco Superseal connectors * 20 to 22 gauge pre-terminated wires * 16 to 18 gauge pre-terminated wires * Cavity plugs
( 4 )
$158.95
$143.05
On Sale
Bigger, better wire! Taylor 409 Race-Fit Pro Race spark plug wires start with Taylor's 8mm wires (available in spiral-wound or solid core) with a silicone inner insulator, fiberglass braid, and a 100 percent pure silicone jacket. Then they add a heat-treated fiberglass mesh skin and a third layer of pure silicone to get a full 10.4mm diameter. Taylor bonds pure silicone boots directly to the wires. The results are wires that have a 100,000+ V dielectric strength rating that gets more spark to your plugs.
( 157 )
$114.05
—
$179.30
$102.64
—
$161.37
On Sale
Summit Racing™ offers reproduction wiring harnesses for a wide selection of vehicles, particularly classic cars and trucks from the 1960s and '70s. These replacements and/or extensions are used to power a variety of applications—including horn, glove box, console, backup lights, engine; forward, hood, and courtesy lamps; fuel tank sender, and more. These OE style replacement harnesses are made of high-quality Automotive Grade Wire using factory style fuse blocks, plug ends, and wire colors to ensure factory type fit, performance, and durability. For repair or restoration, order the harness recommended for your specific car or truck. Note: These harnesses are factory replacements and do not include instructions or wiring diagrams refer to the factory diagrams and or service manuals for your specific vehicle.
( 52 )
$181.99
—
$201.99
$136.49
—
$151.49
On Sale
Enjoy better reliability and performance with FiTech Go-Spark ceramic spark plug wire sets. Each spark plug is preassembled from ceramic and carefully crafted with the proper end angles in mind, sparing you the hassle of custom trimming. Select the spark plug wire set designed for your application needs.
( 1 )
$120.00
—
$135.00
$102.00
—
$114.75
On Sale
These connector cables from Painless Performance are designed for use with TBI and TPI coils. Connector cables are available to connect the external coil to the distributor, and to connect the power and tachometer to the coil.
( 12 )
$38.99
—
$46.99
$35.09
—
$42.29
On Sale
MSD Ignition's Multiple Spark Coils (MSC) will fit in place of the stock GM LS coils and connect directly to the factory connectors. Once installed, you'll have the power and performance of higher energy sparks, crowned with MSD's multiple spark discharge. Increased spark energy and voltage, along with multiple spark capabilities, help improve the combustion process of the fuel mixture to create an efficient burn. This results in improved throttle response, smooth idle and quick starts, plus increased high rpm performance!
( 26 )
$149.95
—
$1,078.95
$112.46
—
$733.46
On Sale
Give some more spark to your ignition system using these Professional Products LSX high performance coil packs. They provide a maximum voltage of 40 kV and the longest spark duration available. The coil packs fire 1/8th as many times as the old single coil systems, providing eight times as long for the coil to regenerate power for the next spark. On multiple coil setups like these LSX high performance packs, longer spark duration is highly desirable to ensure that 100 percent of the intake charge is ignited—for maximum power throughout the entire rpm range.
( 20 )
$129.99
—
$296.99
$116.99
—
$267.29
Modal Header
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
