The ROADWORKS Peterbilt 379 Cowl Extensions are a practical and reliable solution for enhancing your truck's functionality. Designed specifically for Peterbilt 379 models, these cowl extensions provide a seamless fit and are compatible with both flat and beehive (2" round) lights. Sold as a pair, these extensions offer the convenience of purchasing lights separately. With a 1-year warranty from Roadworks, you can trust in the quality and durability of this product. Upgrade your truck with these cowl extensions and experience improved visibility and functionality on the road.