REALITY CHECK: Customers often ask, Do I really need a harness? Yes! A relay harness is designed to deliver steady voltage to your HID ballasts directly from the car battery. Nobody likes a flickering headlight, so why risk it? Factory headlight outputs are really only designed to power a halogen li...

PROTECTION: Is priceless! When you're putting together a set of high-end headlights, the last thing you want is moisture in 'em the first time it rains outside. After many years sealing headlights with spools of butyl meant for windshields and sunroofs; we've finally got a product that puts OEM-styl...

DIY: These high quality 4-pin automotive relays are great for spares or for those looking to build their own relay harness. Don't bother spending two or three times as much for the same thing, or getting less for the same amount of money. Buy Morimoto. PROTECTED:from the elements with 3 layers of si...