The Insulator Kit is a practical solution for insulating your vehicle's parts. Made with polyurethane, this kit includes four MA36000 and four MA37000 insulators. It is designed to fit OE parts Gaff 12036 and Mack, ensuring a perfect fit for your vehicle. With its durable construction and easy installation, this kit provides excellent insulation, reducing noise and vibration. Improve the performance and longevity of your vehicle with the Insulator Kit.