The Mack RD 1991 and newer 57 - 1/2 inch fiberglass hood with fender of 13 inches is a practical and reliable product. Made of fiberglass, it is durable and long-lasting. With a set forward axle and a cut-out notch on the left fender (for 1994 and newer models), it fits most Mack RD 1991 and newer models. The easy installation process makes it convenient for users. However, it is important to note that it does not fit the Western Contractor, which is 2 inches shorter. Overall, this product offers a great solution for those in need of a high-quality hood with fender for their Mack RD trucks.