Availability
Showing In Stock Items. Show All 231 Items.
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
Summit Bucks
ACDelco GM Genuine Parts engine coolant sensors are a GM recommended replacement component for many vehicles on the road today. These original equipment engine coolant sensors are manufactured to fit your GM vehicle, providing you the same performance, durability, and service life you expect from General Motors.
( 71 )
$10.99
—
$35.99
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
Brothers Trucks ground strap kits offer a complete set of straps and hardware for one truck. These straps were factory equipment to properly ground the engine, body, and chassis. Each strap kit includes: * Five ground straps with fasteners -- Three short straps 4.8 in. long -- Two long ground straps 11 in. long -- Screws and washers
( 1 )
$43.15
Lingenfelter's clutch and throttle position harnesses make the installation of their position activation switch easy. These harnesses allow you to acquire the clutch position signal voltage without modifying any of the vehicle's existing wiring. Order the harness designed for compatibility with your make and model.
( 2 )
$28.45
For throttle position sensing, Lingenfelter offers throttle body signal output harnesses to fit a variety of applications. They're designed to provide an accurate throttle body position signal and are ideal for use with Lingenfelter launch or nitrous controllers. The harnesses feature OEM-style connectors and come with all the required hardware to complete your install.
( 3 )
$33.20
Edelbrock Pro-Flo 4 Plus EFI self-learning engine management system harnesses are offered to support your specific configuration. With an eye toward making your hot rod transplant simple and successful, Edelbrock has created several add-on harnesses. They include LS drive-by-wire, knock sensor, a second oxygen sensor, and 2- or 4-wire LS alternators to radiator fan relay harnesses to complete and/or expand your base Chevy LS, Mopar Gen III Hemi, and Ford Coyote Pro-Flo 4 Plus EFI kits.
( 2 )
$33.95
—
$149.95
Lingenfelter offers this quick plug-in harness to adapt your factory harness to accept the new 100mm mass airflow sensor. These harness adapters come in two versions. The first is the 5-wire to 5-wire harness; and the second is the 3-2 to 5 harness. The 2-wire connector is for the air intake temperature sensor connection.
( 1 )
$39.99
Summit Bucks
Clearance
ACDelco GM Genuine Parts engine cooling fan resistors provide for stepped voltage drops—to deliver high and low speeds for the electric motor on your engine's cooling fan. These resistors are factory-recommended replacements and have been manufactured to provide the same performance, durability, and service life you expect from General Motors. Order the model designed for your vehicle application.
( 2 )
$48.99
$32.50
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.
( 53 )
$201.99
$13.99
—
$1,505.99
ICT Billet throttle body extension harnesses are assembled with OEM tooling, OEM Delphi components (connector, lock, seals, and terminals), and OEM harness wire colors. Don't take a chance with cheap wire connectors; poor quality materials can have conductivity issues that will cause your engine to run poorly and be difficult to diagnose. ICT Billet throttle body extension harnesses provide quality you can trust. Order the model recommended for your application.
( 1 )
$43.99
American Autowire Factory-Fit wiring harnesses are OE replacements and are manufactured according to the original General Motors specifications. Each part number is fully assembled, taped, and ready to install upon arrival. They are best suited for a restoration project with minimal to no modification from the factory specification. American Autowire Factory-Fit harnesses are offered for individual dash, engine, forward lamp, console, rear body, and more, but the best thing is you can purchase a wiring harness as you need it or can afford it, making them great for those on a budget. Plus, since they are OEM-styled the fit is perfect and the installation time is less.
( 27 )
$16.15
—
$898.70
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
Summit Racing Equipment® offers wiring harnesses for a wide range of vehicles—including many Chevrolet, Pontiac, Oldsmobile, and American Motors models from the 1960s and '70s. The factory-style replacement harnesses are ideal for restoration and upgrade projects. They are available to connect and power up a variety of dashboard and accessory functions. Order the wiring harness recommended for your application.
( 3 )
$16.99
—
$517.99
Summit Racing™ offers ground straps for a variety of applications. These copper straps connect the engine block to the chassis or negative battery terminal, allowing for the completion of the electrical circuit and, consequently, the operation of different vehicle systems. They will also protect your vehicle's electrical components from damage in the even of a power surge or short circuit. Order the kit recommended for your vehicle.
Not Yet Reviewed
$18.99
—
$53.99
Holley EFI GM Gen V GDI sub harnesses are available for early and late LTx engines. The GM fuel pressure sensor is mounted to the back of the driver-side fuel rail and is the identifier of each engine. Depending on which one your engine has will determine which Holley EFI GM Gen V GDI sub harness is required. Late engines use a 3-pin, and the early engines use a 4-pin fuel pressure sensor. Choose the appropriate sub harness for your engine.
Not Yet Reviewed
$149.95
Standard Motor is the premier professional engine management brand in the automotive aftermarket. They lead the way in vehicle coverage for engine cylinder deactivation solenoids. Order the model recommended for your application. Product features: * Direct-fit OE replacement ensures proper fit, form, and function—which leads to a trouble-free installation * Designed and manufactured to stringent quality standards at a certified facility, so you can install with confidence * Premium components and durable materials can withstand harsh engine conditions, increasing lifespan * Solenoids undergo extensive testing and validation for proper performance and peak reliability
Not Yet Reviewed
$219.99
—
$274.99
American Autowire ground straps offer a safe path for electrical current, thereby preventing damage from a surge or short circuit. Choose from light-duty copper ground straps with internal locking ring terminals—which are perfect for dash panel grounding, radio suppression grounds, and valve cover grounds; or medium-duty tin coated copper ground straps with bolt holes on both ends for your chassis and engine grounds. They're available in different lengths, sold individually or in a kit.
( 37 )
$24.70
—
$94.05
Dorman wiring connectors are designed to facilitate the flow of electrical current over a broad range of applications. The small components are available in a variety of styles to fit your specific application or universal fit needs. Choose Dorman wiring connectors for a reliable connection every time.
( 64 )
$8.99
—
$24.99
The pressure switch controls the on/off function of the A/C compressor, the unit that pumps refrigerant through the system. You can make sure you stay cool by replacing failing switches with a new one from UAC. Universal Air Conditioner pressure switches will maintain the proper operation of your air conditioning system to keep producing cold air.
( 2 )
$10.99
—
$16.99
RESTOPARTS® Supplied wiring harnesses are perfect for electrical restoration projects. Available for a variety of makes, models, and years, these reproductions match original factory color codes and connector sizes, but utilize a type of wiring that is more tolerant to heat, than that from the factory. RESTOPARTS® wiring harnesses provide an original appearance with an upgrade in performance for your classic.
( 2 )
$180.99
—
$366.99
On Sale
Are you installing a Painless Performance fuel injection harness and want to keep all of your emissions devices intact? The solution is to install one of these Painless Performance emissions wiring harnesses. These harnesses activate the AIR port solenoid control, AIR diverter solenoid, and canister purge solenoid to meet local emissions standards.
Not Yet Reviewed
$98.99
$89.09
Summit Racing™ offers starter wiring harnesses for a variety of applications, including select Chevrolet and American Motors models from the 1950s, '60s, '70s, and '80s—such as the Corvette, Impala, Ambassador, AMX, Javelin, Rebel, and Matador. These reproduction harnesses are manufactured from factory materials in accordance with OE specs to ensure proper fitment and long-lasting performance. They meet or exceed original quality standards.
Not Yet Reviewed
$41.99
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
