The Peterbilt Exhaust Mount Bushing Kit is a practical and high-quality solution for your exhaust system needs. Made with durable polyurethane, this kit includes everything you need for a secure and long-lasting installation. With an inner diameter of 7/16" and small and large outside diameters of 1 1/8" and 1 3/4" respectively, it fits most miscellaneous makes and models. Compatible with OE parts from Kenworth and Peterbilt, this kit ensures a perfect fit. Say goodbye to exhaust system issues with this reliable and easy-to-use kit.