PIAA H7 Platinum Super White Xtra 55W=100W Light Bulb Twin Pack Meets SAE requirements for white color. 3800K Super White technology approaches the brightness and intensity of H.I.D. Xtra technology produces a brighter light using less power. 55 Watt Xtra performs like a 110 Watt bulb. The addition of the anti-vibration characteristics makes this the perfect bulb for every application, from Harley to Honda. Single Bulb Listing at http://www.amazon.com/gp/product/B002U2A6S2