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Generally speaking, a relay is an electronically operated switch that allows you to control a circuit with a low-power signal. Almost every system on your vehicle incorporates...
Generally speaking, a relay is an electronically operated switch that allows you to control a circuit with a low-power signal. Almost every system on your vehicle incorporates a relay in its controls, including the starter, electric cooling fans, fuel pump, headlights, and air conditioner, plus accessories like nitrous, off-road lights, and winches.
Whether you’re assembling an all-new wiring harness, or making repairs to existing circuits, the extensive selection, powerful search tools, and tech expertise at Summit Racing Equipment will help you find the right size and amperage rating of relay for the job.
Generally speaking, a relay is an electronically operated switch that allows you to control a circuit with a low-power signal. Almost every system on your vehicle incorporates a relay in its controls, including the starter, electric cooling fans, fuel pump, headlights, and air conditioner, plus accessories like nitrous, off-road lights, and winches.
Whether you’re assembling an all-new wiring harness, or making repairs to existing circuits, the extensive selection, powerful search tools, and tech expertise at Summit Racing Equipment will help you find the right size and amperage rating of relay for the job.
On Sale
MSD high-current solid state relay blocks take the place of four standard relays and eliminates unsightly wiring. Four independent channels can be activated using either power or ground. Each channel is capable of handling up to 35 amps of continuous current, providing up to 140 amps of power, and also has the capability of pulse width modulation. The blocks can easily be mounted using the supplied hardware and mounting tabs that can be rotated 90 degrees to accommodate various mounting locations. Clean up your wiring with MSD high-current solid state relay blocks. Features include: * Operates from 7 V to 20 V supply * Four independent channels, 35 amps each continuous or 100 amps for 8 seconds * Combined total continuous current rating of 140 amps * Channels can be run in parallel for devices requiring more than 35 amp single-channel rating * Over-temperature, short circuit, and overload protection * Diagnostic LEDs and status indicators * Multiple mounting options * Single wire activation by switching power or ground * Available in red or black * PWM signal can be used--maximum frequency of 150 Hz and a duty cycle range from 50 to 90 percent
( 13 )
$199.95
$179.95
On Sale
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
( 12 )
$84.05
$75.65
Summit Racing™ fuel pump relays will protect your electrical system from frying under the high amp draw of your electric fuel pump. Each relay includes a 30 amp circuit breaker and relay, terminal ends, and all necessary wiring.
( 146 )
$31.99
These Spal electric fan relay wiring kits are designed to automatically turn on your Spal electric fan when the air conditioning is turned on. They can also be used when dual electric fans are installed using one switching device.
( 36 )
$75.57
If you're installing an aftermarket electric fan, then you will need one of these Derale Performance electric fan relays. They feature a heavy-duty 40 amp rating and some include a color-coded wiring harness for an easy installation.
( 76 )
$14.31
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$50.86
These Pico relay and connector kits feature a single pole, double throw, 5-terminal design with a resistor for maximum voltage spike protection. They include a 12 V, 40 amp plastic relay, a mounting bracket, and a 5-pin wiring harness with a connector for a complete installation.
( 102 )
$7.99
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$10.99
On Sale
MSD relay modules are designed to be easily installed in most automotive electrical systems where a high amperage relay is needed. These relay modules are perfect use with high amperage electric fuel pumps and high CFM electric cooling fans. The relay housing comes with a labeled lid that snaps into place providing a clean installation and protecting the main power stud and triggers from contamination or accidental contact. MSD offers these relay modules with different channel outputs, select the model that's designed to meet your application needs. Features include: * 7 V to 20 V supply to fit a wide variety of applications * Independent 40A outputs, to supply power to most aftermarket fuel pumps and electric fans * Configurable single-wire activation with Ground (-) input or 12 V (+) input, with removal of the Tie-Bar * Removable cover for easy accessibility * Low-profile JCASE fuses provide ample protection in case of a short * LED status indicators, show you which channel is triggered at a glance
( 10 )
$52.75
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$145.95
$47.48
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$131.35
Painless Performance no-load LED turn signal flashers keep your LED turn signal flashers functioning as they should. LED turn signal lights do not draw enough current to trigger most thermal flashers, therefore, it is necessary to use a no-load flasher. These no-load LED turn signal flashers from Painless Performance can be used with most combinations of LED lights and incandescent bulbs with a maximum total current of less than 25 amps, and include a self-tapping screw to provide easy ground mounting.
( 36 )
$20.99
It's a good idea to relay your fuel pump for the street and a must when you're racing. Designed specifically to prevent voltage drops at the fuel pump to maintain constant fuel pump pressure and to prevent fuel pump amperage overloads from damaging the vehicle's electrical system. Designed for the harsh conditions encountered off road, this relay kit provides complete protection from the elements to ensure reliable and dependable performance.
( 12 )
$48.99
Painless Performance universal fuel pump relays will prevent voltage drops at the pump, thus maintaining constant fuel pump pressure, and will prevent fuel pump amperage overloads from damaging your electrical system. These kits are great for street use, and a must for racing applications.
( 52 )
$31.99
Plug in Bosch relays for your vehicle's power-switching needs. These quality-built relays exceed OEM specifications to provide reliable service for a wide variety of applications. You can trust Bosch for all of your automotive electrical needs. Features include: * Built to withstand extreme conditions * High-power switching * Function over a wide temperature range * Excellent vibration and impact resistance * Long service life and good climatic resistance
( 44 )
$3.99
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$39.99
Dakota Digital's relays with wiring sockets are designed for use with your power and electrical accessories. These relays with sockets are available in single and dual versions.
( 50 )
$14.25
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$38.00
MagnaFuel fuel pump relay harnesses are just what you need to properly install your fuel pump. They are available in single and dual relays to suit your application needs.
( 15 )
$24.99
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$55.99
Summit Racing Equipment® has just what you need to install your aftermarket electric fan! These relays are color-coded to keep everything organized, and installation only takes a few easy steps. Get your electric fan relay from Summit Racing Equipment® today and make your life easier!
( 25 )
$20.99
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$32.99
Painless Performance FAN-THOM electric fan relay kits were designed as inexpensive protection for your electric fans. These kits provide constant voltage, protect from voltage and amperage spikes, and keep your fan(s) from feeding back through the system. These fan relay kits are an absolute necessity if you're adding an on/off switch to your electric fan circuit.
( 61 )
$28.99
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$40.99
United Pacific 12 V LED flashers are designed for converting conventional lighting to LED lighting. Available in 2-terminal and 3-terminal applications, these heavy-duty units work on all vehicles with LED taillights and front turn signals. These LED flashers are designed to regulate no-flashing or fast-flashing issues when converting to newer LED lights.
( 136 )
$9.99
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$12.99
On Sale
MSD solid state relays clean up your wiring. These modules take the place of four standard relays and eliminate unsightly wiring. Four independent channels can be activated using either power or ground, and each channel is capable of handling up to 20 amps of continuous current—providing up to 80 amps of power. MSD solid state relays provide a compact and clean design to make your wiring project a breeze.
( 23 )
$179.95
$53.35
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$161.95
Hella relays are ideal for a wide range of automotive uses, such as auxiliary lighting, turn signals, power windows, rear window defogger, and more. They're available in 12 V and 24 V units, with amp ratings from 20 to 50, and numerous terminal options. Hella is one of the most respected names in lighting—and their top-quality accessories and electrical components are an economical choice for universal applications.
( 101 )
$8.99
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$147.99
On Sale
The long wire runs of an electric pump installation can sometimes result in a voltage drop at the pump. Holley fuel pump relay and harness kits offer good insurance that the fuel pump will be receiving full voltage from the battery. The kits can be used with any electric fuel pump, as long as the current load is not above 30 amps. They work with 12, 16 and 24 V systems and come equipped with 12 AWG that provides extra current-carrying capacity with minimal voltage loss. A 30 amp relay is included with a relay socket wired with extra-long leads specifically designed to reduce the number of splices required. Quality insulated crimp connectors are provided to make necessary splices where required and detailed installation instructions are also included.
( 8 )
$155.95
$140.35
Painless Wiring relays and relay kits enable you to make simple updates or replacements in your vehicle. From lights to fans to starters, Painless has a relay for you. Easy to install in most vehicles, these kits include all necessary wiring and connectors. Order the amp rating and terminal options needed for your application.
( 32 )
$5.99
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$145.99
Do you have a high performance cooling fan on your street rod, off-road machine, or custom vehicle? If so, then these Ron Francis Wiring 70 amp single electric fan relay systems are just what your vehicle needs to keep cool. Available in several sensor configurations, the 70 amp single electric fan relay systems feature a relay, Maxi fuse, and all of the necessary wires for a complete installation. These Ron Francis Wiring 70 amp single electric fan relay systems are sure to keep your engine operating at a cool and efficient temperature.
( 21 )
$56.79
American Autowire universal relay kits let you take a load off. American Autowire kits are available for a variety of applications, from hot start to brake relays, anti-theft to fan relays, and more. Many come complete with extra terminals and complete instructions; plus, they offer waterproof models, too! Get full power transfer and less strain for high-amperage accessories with any one of American Autowire's universal relay kits.
( 42 )
$25.65
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$122.55
Summit Bucks
If you are using a FAST or MAST aftermarket fuel management system, you'll be required to use one of these special ignition relay packs with your ididit column. They allow the computer to stay on when your ignition is between crank and run, without losing signal and causing the system to shut down. (These relay packs are not necessary with your original fuel management system.)
( 2 )
$202.00
Summit Bucks
ididit high beam/low beam switching relays wire directly into your high beam and headlight switches. They feature a resettable fuse so no additional fuse is needed. Once installed, you can press the high/low button when the headlights are off and momentarily turn on the high beams. With the headlight on, the high/low switch works like normal to toggle between high and low beams.
( 4 )
$117.00
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