Polaris RZR RZR4 Ranger Side by Side Gas Cap Blue Billet Aluminum [5349-A2] - Fits all RZR, RZR4, Ranger models, 570, 800, 900, XP900, XP1000 - 6061 Billet Aluminum Construction with Blue Powder Coat Finish - Lifetime Warranty! - FREE 50 Caliber Koozie with Each order! - Matches the Polaris Voodo Blue