The Ultra Motorsports 423 Knight Gloss Black w/Diamond Cut Accents wheels will add a unique look to your ride. Made from a one-piece cast aluminum construction, the 423 Knight wheels are designed and engineered with a concentration to the needs of modern muscle cars. Ultra Wheel craftsmanship with the style and fitments needed by today's modern muscle car market. Ultra Motorsports 423 Knight wheels are available to fit most cars and crossovers while accommodating most tire pressure monitoring systems.