All ANZO lights on Redline360 are sold as a pair. Each order comes with the driver side and passanger side. Fitment Information Lexus GS300/GS400/GS430 (1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005) 4 Door Models Only Specs & Features Lens/ Housing Color: Clear Lens / Black or Chrome Housing Light Source: Projector with Halogen Bulbs Light Color: White Halo Type: CCFL Bulb Type: Halogen High Beam: H1 Low Beam: H7   Product Description In order to affirm resilience and durability, we rigorously test every AnzoUSA lighting product in a Thermo-Hygrometer (temperature and humidity chamber) and a Rain-Resistant Tester. In addition , we thoroughly expose all of our products to intense photometric testing to assure strict compliance with local, state, federal and international standards. Our products go through strict testing for durability, impact strength, as well as fresh/salt water, dust/dirt resistance. In order to comply with safety regulations, all AnzoUSA products must pass all quality inspections. After all safety checks and quality assurance, products are manufactured using the most advanced technological and economical methods available. Single, double, and triple shot injection machines produce our semi-finished products. After undergoing vacuum electro-plating or spray plating processes, products are combined through hot press bonding, friction bonding, or an automatic assembly line spin coater. AnzoUSA offers the best quality performance lighting products at an affordable cost. All AnzoUSA products are SAE and D.O.T. compliant to FMVSS No. 108; and manufactured in our state-of-the-art ISO 9002 and QS 9000 quality certified factory. Our lighting products are designed using CAD/CAM computerized equipment and these modern designs are then tested using 3-dimensional testing machine to insure precision and accuracy in the research, development and design of our molds. Manufacturer Warranty Every AnzoUSA product is backed by a ONE YEAR WARRANTY against manufacturer defects through ANZO. With over three decades of professional manufacturing experience and with ISO 9002 and German T.U.V quality certification, AnzoUSA has made itself a powerful competitor and leading brand in the world market. We strive to persistently meet ever-changing design specifications and needs; flexible, real-time service and preserving customer satisfaction. With our economical, pragmatic, and solid management, AnzoUSA looks forward to building a bright future with our valued customers! Redline360 sells only genuine and authentic AnzoUSA products.