D4S/D4R replacement bulbs are very high quality. D4S/D4R bulbs are made for OEM replacement. These bulb are used in all new 06-09 Lexus and Toyota. These upgraded bulbs will give your factory xenon a nicer color then the standard factory yellow bulbs. The D4S/D4R bulbs are a direct replacement and will fit perfectly into your factory headlight and will require no modifications.

Features
True Play-N-Play D4S/D4R Replacement Bulbs.
Brighter driving vision at night.
Nicer blue color then the factory yellow.
Bulb Lifespan of 5 to 6 years.
ISO9001 Certification, TS16949, and European E-MARK for 100% guaranteed product quality.
2 year warranty on bulbs.

Note: The higher the Kelvin (K) rating, the more blue the light output will be. As the K rating goes up, light output goes down. D4S/R varying from 3000K to 8000K.