Piaa 9004 (HB1) Xtreme White Plus 65/45W=120/95W 4000K Pair. The blue top coat on these bulbs add a slight blue tint to the lamp while still providing outstanding performance. PIAA offers the 9000 Series Xtreme White Plus in four distinct types 9004, 9005, 9006 and 9007. Manufactured to SAE recommended specifications and DOT compliant. #19614