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On Sale

Holley Terminator X and X MAX Engine Control Module Wiring Harnesses

Holley's Terminator X and Terminator X Max ECUs give you complete control of your engine, self-learning fuel strategies, and the race-winning technology of Holley EFI at a budget-friendly price. When you need to service your system, Holley has the components that will fit and perform as expected. Holley Terminator X/X Max engine control module wiring harnesses allow you to access the inputs and outputs built into the Terminator X or Terminator X Max ECU. These harnesses have all eight pins populated, four inputs and four outputs. Features: * 36 in. flying leads * Pre-terminated at ECU connector * Eight wires * Sealed connector

5.0 out of 5 stars ( 2 )

$40.48


$36.43

On Sale

Holley Sniper Transmission Controller Harnesses

Holley Sniper offers transmission-specific controller harnesses for a variety of GM and Ford automatic transmission models. The plug-and-play harnesses are pre-terminated with j4 connectors. Order the harness recommended for your EFI application.

3.0 out of 5 stars ( 2 )

$275.95

$306.95


$248.35

$276.25

On Sale

MSD Atomic Transmission Control Module Harnesses

Hoop up your Atomic TCU with MSD Atomic transmission control module harnesses. They are designed to fit your specific transmission model and have the proper wiring connector for a direct fit.

3.86 out of 5 stars ( 7 )

$280.95


$252.85

On Sale

Hurst Roll Control Button Switches

Hurst Roll Control button switches have the edge with a microswitch and cords. These switches deliver immediate and accurate releases with a capacity of 10 amps. The included wire makes installation hookup a snap.

4.42 out of 5 stars ( 19 )

$51.19


$46.07

On Sale

REDARC Enhanced Lighting Controllers

REDARC enhanced lighting controllers enhance the brightness level of your REDARC gauges. When you don't have a dimming circuit to connect your gauge or it doesn't dim to your preference, the lightning controller allows you to choose from both brightness and color. Once you've programmed your chosen dimness and color, the gauge will change based on nighttime and daytime settings.

Not Yet Reviewed

$85.00


$72.25

On Sale

Holley Terminator X Max Chrysler Transmission Wiring Harnesses

Control select Hemi swap project transmissions through Terminator X MAX ECUs with Holley Chrysler transmission wiring harnesses. Terminator X ECUs give you unprecedented control of various components and systems within the drivetrain for enhanced driving performance. And Holley Chrysler transmission wiring harnesses provide plug-and-play compatibility with most factory connectors on select Chrysler transmissions for easier project completion.

Not Yet Reviewed

$281.95


$253.75

On Sale

Summit Racing™ Reproduction Wiring Harnesses

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.

4.42 out of 5 stars ( 62 )

$18.99

$458.99


$16.14

$390.14

On Sale

Holley EFI Terminator X Active Speed Management Software

Getting a high-powered drag car to hook is the key to low elapsed times and win lights. Whether a small tire radial car or a full out Pro-Mod, all racecars will benefit from Holley's Time-Based Traction Management feature. Designed for Terminator X V3 Build 110 and later, the Time-Based Traction Management is intended for drag racing, standing mile events, or other racing that starts from a stop. Traction management is based on the time from launch vs. engine and driveshaft speed (one or both can be used). The tuner enters several curves that will retard ignition timing and can also enable rev limiting based on the departure of wheel or engine speed from the base curve. Each Holley EFI Terminator X Active Speed management software purchase allows activation of the traction management features for a single ECU. Once purchased, instructions will be emailed to the purchaser on how to access the feature. Please note that it may take up to an hour for the email to arrive after the order has been placed. Features: * Active Speed Management--traction control based on engine speed and/or driveshaft speed * Import Racepak driveshaft curve and rpm data directly into your ECU * Import crankshaft or driveshaft curves from previous pass, curve will automatically populate on the graph * Requires driveline speed sensor, be it wheel or driveshaft speed

Not Yet Reviewed

$588.95


$529.95

On Sale

MSD Power Grid 3-Stage Delay Timing Controls

MSD Power Grid 3-stage delay timing controls are an add-on module for use with the MSD Power Grid system (sold separately). These controls let you activate up to three individual outputs based on time. The outputs can trigger a relay to activate nitrous, shifter, etc.; when the clutch/transbrake is released, the Power Grid will start the timers through the CANN connection. They'll also display live ignition timing! Thanks to the advanced data acquisition features of the MSD Power Grid, all of the settings and values you set with the 3-stage delay timer can be reviewed after each run to assist in tuning the program for the next run. Now that's timing control!

5.0 out of 5 stars ( 1 )

$377.95


$340.15

On Sale

NOS Solid State Relays

NOS solid-state relays address the need for reliable, rugged, and affordable control of various electrical equipment on your race car. Originally designed to control the high-current switching loads of nitrous solenoids, these relays can also be used to control other high-current devices—such as electric water pumps, trans-brakes, and line locks. NOS relays feature an ultra-low activation/release time of less than 16 microseconds to ensure no delays in reaction times. The solid-state relays can also be Pulse Width Modulated (PWM) with no minimum-duty cycle at frequencies up to 1000hz. NOS solid state relays feature: * 5-20 V DC operation * Rugged solid-state circuitry * Easy 3-wire connection * Included terminated pigtail * Included extra contacts for build-your-own wiring * Ultra-fast activation, under 16 microseconds * Pulse Width Modulation (PWM) compatible * PWM 0-100 percent * Up to 1000hz frequency * Vibration-resistant * Maximum continuous current = 40 amps * Maximum switching current = 20 amps

5.0 out of 5 stars ( 14 )

$94.75


$85.28

On Sale

Morimoto XBT Bluetooth RGB Controller Harnesses

Morimoto XBT Bluetooth RGB controller harnesses provide plug-and-play installation and complete control with a proprietary app that works with both iPhone and Android devices. The app features a color wheel that gives you virtually infinite control over the exact hue and intensity of your RGB accessories. Adjustable Fade, Strobe, and pre-programmed color-changing themes provide a handful of special effects to spice it up. And you can save your favorite combinations to pull up later. Morimoto XBT Bluetooth RGB controllers are capable of operating up to three different zones/pairs of RGB accessories—apply a different color or effect to each zone, or lock them together to easily apply the same settings across the board. For safety and convenience, when the XBT System powers up it defaults the output to white. The power to control your RGB accent lighting will be in the palm of your hand with Morimoto XBT Bluetooth controllers.

Not Yet Reviewed

$105.00


$89.25

On Sale

Holley EFI Tach Input Ignition Adapters

Holley EFI tachometer input ignition adapters are for applications using a CD Box, such as an MSD 6AL, while not using timing control. They're designed for use with Sniper 2 EFI systems and external ignition control boxes with tachometer signal output. Not for direct connection to coil.

Not Yet Reviewed

$28.71


$25.84

On Sale

MSD 4-Connector CAN-Bus Hubs

These MSD 4-connector CAN-bus hubs allow users of the Power Grid system controllers to connect other MSD modules to the system for added features. They feature CAN-bus stacking technology so that racers will never run out of spots where they can use plug-in modules. The hubs have four plug-in points with a single output so that they can be plugged into one another.

5.0 out of 5 stars ( 3 )

$149.95


$134.95

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

On Sale

REDARC Encapsulated Protection Devices

REDARC encapsulated protection devices are 7 amp diodes suitable for 12 and 24 V applications. It is totally encapsulated, with sealed connections and will work in ambient temperatures up to 85 degree C (185 degrees F). It has been designed to fit in the trailer stop lamp feed to support the installation of Tow-Pro brake controllers on vehicles where back feed of 12 V during Tow-Pro manual override may interfere with the vehicle systems.

Not Yet Reviewed

$60.00


$51.00

On Sale

Morimoto HD Relay Harnesses

Morimoto HD relay harnesses are your ultimate solution for a flawless HID lighting upgrade. Tired of flickering headlights? These relay harnesses ensure a steady voltage supply directly from your car battery to HID ballasts, eliminating those annoying distractions. Designed with precision, each harness guarantees longevity and performance, preventing any compromises. Their plug-and-play setup, industry-standard compatibility, and fail-safe design make installation a breeze. Note: One harness controls both headlights. Features and benefits: * Steady illumination: Delivering consistent voltage for flicker-free HID lighting * Enhanced performance: Outperforms halogen bulbs with powerful HID illumination * Plug-and-play: Easy installation with user-friendly design for enthusiasts and beginners * Fail-safe design: Individual relays per side prevent complete headlight failure * Universal compatibility: Compatible with various vehicle lights—low beams, high beams, and fog lights

Not Yet Reviewed

$50.00


$42.50

On Sale

XForce Replacement Wiring Harnesses

XForce wiring harnesses are replacement accessories for your variable Varex exhaust. The harnesses are available for single and dual Varex mufflers. You're always in control with XForce.

5.0 out of 5 stars ( 2 )

$11.70

$28.80


$10.53

$25.92

On Sale

Summit Bucks

Borne Off-Road LED Light Bar Wiring Harnesses

Upgrade to the ultimate in off-road lighting solutions with the Borne Off-Road light bar wiring harnesses. Designed to withstand the harshest of elements with weatherproof construction and IP68 rating, each harness comes with two intuitive backlit rocker switches that offer sharp styling and effortless control. Available in two plug sizes to perfectly suit your lightbar setup, installation is a breeze, and individual connections to rocker switches make wiring through the vehicle even easier. Backed by the Borne Off-Road Lifetime Warranty, you'll be able to light up your path and hit the trail with peace of mind. Select the harness designed for Borne 10 in. to 20 in. light bars or the harness for 30 in. to 50 in. light bars.

Not Yet Reviewed

$55.95


$53.70

On Sale

Holley GM Transmission Wiring Harnesses

Holley GM transmission wiring harnesses are designed to work in conjunction with Holley Dominator EFI fuel injection systems. These application-specific complete terminated harnesses come with a J4 connector to operate General Motors electronic transmissions. For all of your transmission management systems and accessory needs, go with Holley.

Not Yet Reviewed

$286.95


$258.25

On Sale

Holley EFI Dominator Transmission Harnesses

Holley EFI Dominator transmission harnesses provide control of your Tremec. The harnesses are terminated for VSS, reverse lockout, and reverse lights. Choose the one designed for your build.

2.0 out of 5 stars ( 1 )

$233.95


$210.55

On Sale

XForce Varex Toggle Switches

Hard wire your Varex mufflers with XForce Varex toggle switches. These constant on/off switches will allow you to operate your mufflers performance without using the remote. Keep exhaust control at your fingertips with Varex toggle switches.

5.0 out of 5 stars ( 1 )

$16.20


$14.58

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