A Bolt Sleeve Spacer is used to space out the bolts that secure a diesel particulate filter to the exhaust system of a machine. It is made of a durable material such as stainless steel and withstand the high temperatures and corrosive gases that are present in the exhaust stream.Attributes: • Manufactured to precise specifications and are built for durability, and reliability• Help to prevent leaks from developing around the boltsApplications:A Bolt Sleeve Spacer is used to insulate the bolts from the heat of the exhaust stream to prevent the bolts from overheating and failing.