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Headlight relay kit converts the 1967-68 Mercury Cougars with quad or 4 headlights to modern car technology (kit also works on 1967-68 Mustang 2 headlight systems). If your Cougar suffers from dim...

Headlight relay kit converts the 1967-68 Mercury Cougars with quad or 4 headlights to modern car technology (kit also works on 1967-68 Mustang 2 headlight systems). If your Cougar suffers from dim headlights you are not getting a full battery power to the back of your headlamp bulbs. Safe for use on our vintage cars. Still uses your headlight switch. Instead of carrying reduced voltage to the headlights through the switch, the switch triggers the relay, which takes power directly from the...

Mini headlight relay kit converts the 1967-68 Mercury Cougars with quad or 4 headlights to modern car technology (kit also works on 67-68 Mustangs 2 headlight system). If your Cougar suffers from...

Mini headlight relay kit converts the 1967-68 Mercury Cougars with quad or 4 headlights to modern car technology (kit also works on 67-68 Mustangs 2 headlight system). If your Cougar suffers from dim headlights you are not getting a full battery power to the back of your headlamp bulbs. Safe for use on Cougar. Still uses your headlight switch. Instead of carrying reduced voltage to the headlights through the switch, the switch triggers the relay, which takes power directly from the battery....

Reproduction halogen headlight conversion kit. Included in this kit are the four halogen headlight bulbs (2 high and 2 low) and the full relay kit, which is needed when installing halogen bulbs on...

Reproduction halogen headlight conversion kit. Included in this kit are the four halogen headlight bulbs (2 high and 2 low) and the full relay kit, which is needed when installing halogen bulbs on your 67 - 68 Cougar. The 55 Watt Xenon Halogen H4/9003 bulbs included in this kit are "cool white" which have a bit of a blueish tint, like you see on modern cars. If you would like to go with a more original "natural white" color, you can buy these inner replacement bulbs. NOTE: YOU MUST BEND THE...

Reproduction pair of halogen headlights for any 67 - 73 Cougar or Mustang. These bulbs work for both high and low beam, you simply need to bend one of the tabs back for high beam (see photo above)....

Reproduction pair of halogen headlights for any 67 - 73 Cougar or Mustang. These bulbs work for both high and low beam, you simply need to bend one of the tabs back for high beam (see photo above). Keep in mind that you will need a headlight relay kit when installing halogen headlights on your car.  Benefits of switching to halogen bulbs: Brighter lightDramatically improves driver visionOptical lens for a powerful beamLong range high powered lightsCrystal clear glass face with H4 halogen...