Chevy Silverado Crystal Headlights Luminx Lighting Aftermarket Headlights are sold a pair (right and left). Luminx Lighting Headlights requires no wiring alternation; equipped with plug-and-play feature. Luminx Lighting S.A.E. and D.O.T. compliant to FMVSS no. 108; and manufactured in a state-of-the-art ISO 9002 and QS 9000 quality certified factory Luminx Lighting Headlights are affordable and stylish giving your Silverado a unique appearance Luminx Lighting Projector Headlights are completely street-legal, and are backed by a one year warranty from manufacturers defects