The Kenworth and Peterbilt 5 Hole Black Hub Adapter is a practical and versatile product designed to fit most Kenworth models from April 2001 through 2002, as well as most Peterbilt models from April 1998 through 2005. With a 5 hole bolt pattern and a 40 spline count, this hub adapter is available in a sleek black finish. Its durable construction ensures long-lasting performance. Whether you need to replace a worn-out hub adapter or upgrade your vehicle, this product offers a reliable solution.