The Peterbilt Stack Clamps - Butt Joint - 8 Inch Clamp is a practical and versatile product designed to enhance your Peterbilt truck. Made from chrome-plated stainless steel, this 8-inch clamp allows for angulation of the stack to clear steps and doors. It is specifically designed to cover the seam line on plain stacks and fits most Peterbilt makes and models. Compatible with slip-fit monster stacks and other straight stacks, this clamp is a reliable and durable choice. Improve the functionality and appearance of your truck with the Peterbilt Stack Clamps.