The Roadworks Peterbilt 379 Side Grill Deflectors are designed specifically for trucks with a 4 Headlight System. Made from durable stainless steel, these deflectors are 22" tall and sold as a pair. They are a perfect fit for the Peterbilt 379 model and come with a 1-year warranty from Roadworks. These deflectors not only enhance the appearance of your truck but also provide practical benefits by deflecting air away from the side hood, improving aerodynamics and reducing wind noise. Upgrade your truck with these high-quality deflectors for a sleek and functional addition.