Wilwood Iron Ultralite 32 Vane Plain 2 Piece Brake Rotor kit 0.81 Inch 160-0277 Ultra-Light UL straight vane rotors provide high value performance and rugged durability for a wide range of competition, high performance, and sport driving applications. Don’t confuse these rotors with bargain priced off-brand named parts. Wilwood modern manufacturing capability, combined with large scale economy, make it possible to offer this level of quality and performance at such an affordable price.