Fan-Thom Electric Fan Relay Kit

FAN-THOM ELECTRIC FAN RELAY KIT #30101 - Inexpensive protection for your electric fan! Relay kit provides constant voltage while protecting from volta... more

Fan Relay w/ Thermostat (on-200 deg.-off-180 deg.)

FAN RELAY WITH THERMOSTAT ON 200F OFF 180F #30102 - Eliminate radiator probes and keep your engine running at optimum temperature. Comes with a thread... more

Fan Relay w/ thermostat (on-185 deg.-off-170 deg.)

FAN RELAY WITH THERMOSTAT ON 185F OFF 170F #30103 - Eliminate radiator probes and keep your engine running at optimum temperature. Comes with a thread... more

Adjustable Fan Thermostat with Relay

ADJUSTABLE FAN THERMOSTAT WITH RELAY #30104 -... more

Brake Light Relay Kit

Brake Light Relay Kit... more

Courtesy Light Kit

COURTESY LIGHT KIT #30702 - Easily install courtesy lights in your vehicle. Kit includes: door switches, wires and light sockets. For GM trucks 1967-7... more

CS" 130D Style GM Alternator Pigtail

"CS" 130D STYLE GM ALTERNATOR PIGTAIL #30705 - Pigtail for your CS 130D internal fan alternator.... more

Delco Alternator Pigtail

DELCO ALTERNATOR PIGTAIL #30706 - A replacement pigtail using the factory original plug for the popular "Delcotron" alternator. Pigtail comes pre-term... more

GM Alternator Pig Tail (Late Style)

"CS" STYLE GM ALTERNATOR PIGTAIL #30707 - A replacement pigtail using the factory original plug for the late style "CS" style GM alternator.... more

GM Truck Courtesty Light Kit (67-72)

GM COURTESY LIGHT KIT (1967-72) #30708 - Easily install courtesy lights in your vehicle. Kit includes: door switches, wires and light sockets.... more

High Output Alternator Wire with boot

HIGH OUTPUT ALTERNATOR WIRE WITH BOOT #30709 - For alternators that produce more than 65 amps. Kit provides heavier gauge wiring with connectors to co... more

High Beam Headlight Relay Kit

HIGH BEAM HEADLIGHT RELAY KIT #30802 - GMs four headlight system turns low beams off when highs are selected. Kit keeps all four headlights on when hi... more

Auxiliary Light Relay Kit with Switch

AUXILIARY LIGHT RELAY KIT WITH SWITCH #30803 - Easily install extra driving or fog lights. Switch can be wired to turn lights on per state law require... more

GM Steering Column and Dimmer Switch Pigtails

GM STEERING COLUMN AND DIMMER SWITCH PIGTAILS #30805 - Original style factory plugs for replacement of worn out or damaged connectors on GM steering c... more

GM Conversion Kit

GM CONVERSION KIT #30806 - All the plugs for your GM steering column in one kit. Contains two ignition plugs, two turn signal plugs and one dimmer swi... more

GM Column Turn Signal Connector

GM COLUMN TURN SIGNAL INDICATOR #30808 -... more

HEI Power Lead Pigtail

HEI POWER LEAD PIGTAIL #30809 -... more

Headlight Relay Conversion Harness

This Headlight harness draws power directly from battery through a relay for full power to your H4 conversion headlights or Halogen sealed beams. Hand... more

Headlight Relay Conversion Harness (Late Style)

(HALOGEN)HEADLIGHT RELAY CONVERSION HARNESS LATE STYLE #30816 - Harness draws power directly from battery through a relay providing full power to your... more

Headlight Relay Kit (99 & up)

HIGH BEAM HEADLIGHT RELAY KIT (1999 AND UP) #30821 - GMs four headlight system turns low beams off when highs are selected. Kit keeps all four headlig... more

2003 Chevy PU High Beam Headlight Relay Kit

2003 CHEVY PU HIGH BEAM HEADLIGHT RELAY KIT #30822 - GMs four headlight system turns low beams off when highs are selected. Kit keeps all four headlig... more

Quick Disconnect Alternator Lead

QUICK DISCONNECT ALTERNATOR LEAD #40110 - Makes engine or alternator swaps easy. Quick disconnect can be used on even the highest output alternators. ... more

Fuel Pump Relay Kit

FUEL PUMP RELAY KIT #50102 - Relay prevents voltage drops at the pump thus maintaining constant fuel pump pressure, and keeps fuel pump amperage overl... more

Charging System Shutdown Relay Kit

CHARGING SYSTEM SHUTDOWN RELAY KIT #50103 - Alternator feedback can keep your engine running even with the master disconnect turned off. Kit eliminate... more

Magneto Shutdown Relay Kit

MAGNETO SHUTDOWN RELAY KIT #50104 - Since a magneto does not require battery power to operate, your engine may continue to run even with the battery d... more

High Amp Alternator Shutdown Relay

HIGH AMP ALTERNATOR SHUTDOWN RELAY KIT #50105 - Kit comes complete with 250 amp solenoid and effectively handles alternator feedback of the highest am... more

Electric Water Pump Relay Kit

ELECTRIC WATER PUMP RELAY KIT #50106 - Kit provides constant voltage to maximize cooling efficiency and protect the main electrical system from damagi... more

Park & Neutral Relay Kit

PARK & NEUTRAL RELAY KIT #60122 - This kit uses the stock neutral safety switch to also provide for ECM park/neutral ground signal needed when install... more

30 Amp Single Pole Single Throw Relay

30 AMP SINGLE POLE SINGLE THROW RELAY #80130 - Replacement relay for use with Cirkit Boss, Horn Relay, or Fan Relay Kits.... more

30 Amp Single Pole Double Throw Relay

30 AMP SINGLE POLE DOUBLE THROW RELAY #80131 - Replacement relay for use with Cirkit Boss, Horn Relay, or Fan Relay Kits.... more

Relay Base with Terminals

RELAY BASE WITH TERMINALS #80133 - Made of High Impact ABS thermo plastic. Terminals provided.... more

Pertronix Ignitor Kit 1954-56 Austin Healey 100

Pertronix Ignitor Kit 1954-56 Austin Healey 100... more

Pertronix Ignitor Kit 49-53 Ford 8 cyl, 6v,neg grd

Pertronix Ignitor Kit 49-53 Ford 8 cyl, 6v,neg grd... more

Pertronix Ignitor kit Chrysler,6 cyl,6 vlt,+ grnd

Pertronix Ignitor kit Chrysler,6 cyl,6 vlt,+ grnd... more

WP Fan Relay w/Thermostat (on 185deg off 170deg)

WP Fan Relay w/Thermostat (on 185deg off 170deg)... more

WP Fan Relay Kit

WP Fan Relay Kit... more

WP Fuel Pump Relay Kit

WP Fuel Pump Relay Kit... more

WP Universal Relay Kit

WP Universal Relay Kit... more

Remote Master Disconnect Kit w/ Emer. Push Button

Remote Master Disconnect Kit w/ Emer. Push Button... more

Universal Courtesy Light Kit

Universal Courtesy Light Kit... more

Headlight Relay Harness/9005-9006 Bulb

Headlight Relay Harness/9005-9006 Bulb... more

Race Car Kit/Street Legal/12 Circ. w/8-Sw. Panel

Race Car Kit/Street Legal/12 Circ. w/8-Sw. Panel... more

Offroad WP 4 Toggle/Ignition Switch/Dash Mount

Offroad WP 4 Toggle/Ignition Switch/Dash Mount... more

Offroad WP 4 Toggle/Ign. Switch/Roll Bar Mount

Offroad WP 4 Toggle/Ign. Switch/Roll Bar Mount... more

Offroad WP 6 Toggle/Ign. Switch/Dash Mount

Offroad WP 6 Toggle/Ign. Switch/Dash Mount... more

Offroad WP 6 Toggle/Ign. Switch/Roll Bar Mount

Offroad WP 6 Toggle/Ign. Switch/Roll Bar Mount... more

Carbon Fiber Mustang Pwr Panel for 87-93/Rocker

Carbon Fiber Mustang Pwr Panel for 87-93/Rocker... more

Carbon Fiber Mustang Pwr Panel for 87-93/Toggle

Carbon Fiber Mustang Pwr Panel for 87-93/Toggle... more

Carbon Fiber Mustang Hide-A-Panel 87-97/Rocker

Carbon Fiber Mustang Hide-A-Panel 87-97/Rocker... more

Carb Fiber Stang Nitrous Hide-A-Panel 87-97/Rocker

Carb Fiber Stang Nitrous Hide-A-Panel 87-97/Rocker... more

Vehicle Speed Sensor (MAP TPI)

Vehicle Speed Sensor (MAP TPI)... more

Emission Harness (for Eastwood 60194)

Emission Harness (for Eastwood 60194)... more

Emission Harness (for Eastwood 60221)

Emission Harness (for Eastwood 60221)... more

Emission Harness (for Eastwood 60223)

Emission Harness (for Eastwood 60223)... more

Fan Relay w/thermostat - Gen III

Electric fan relay kit with 205³ On/ 190³ Off thermostat for GM Gen-III engine. Made in USA... more

3-Pack Relay Bank

Ideal for powering accessories such as fuel pumps, water pumps, throttle stops, fan nitrous solenoids. Kit includes one 40 amp circuit breaker Made in... more

6-Pack Relay Bank

Ideal for powering accessories such as fuel pumps, water pumps, throttle stops, fan nitrous solenoids. Kit includes two 40 amp circuit breaker Made in... more

Thermostat for GEN III only (205-190 degrees)

Replacement thermostat for Painless Gen III fan relay kits Made in USA... more

Waterproof Fan Relay w/Thermo-GM Gen III Engines

Weatherproof electric fan relay kit with 205³ On/ 190³ Off thermostat for GM Gen III engine. Made in USA... more

200-4R Transmission Torque Converter Lock-Up Kit

Control the lockup converter on your overdrive transmission with a carbureted engine and not buy an expensive computer! With our easy to install Lock-... more