ARex Pro Halogen Headlights: Ford Super Duty (11-16) - Alpha-Black (Set) Ford If you're over by +3mm

If you're over by +3mm

A constant current driver is a device that takes any incoming voltage and smooths it out

the only other store offering the Philips 85122 White Vision Gen 2 bulbs that are verifiably real Philips is offering them for $260

or give you an error message

ARex Pro Halogen Headlights: Ford Super Duty (11-16) - Alpha-Black (Set) Ford If you're over by +3mmAlphaRex Is a relatively new brand in the automotive aftermarket industry. They've become known for building headlights that are unique in style, offer various color choices, and better than average construction quality. While (in our testing) they don't do as well as the slightly more expensive Morimoto XB LED headlights, they do offer good bang for the buck and certainly worth considering. If you're interested to see what else we've got in stock for