Engineering compatibility: The J-38587-A Shut-off Bushing is designed for seamless operation with 3406E engines and fits models including C13, C15 and C16, making it essential for automotive professionals. Durable solid steel construction: Made of solid steel to withstand the rigors of engine maintenance and harsh working conditions. Easy rotation with flywheel teeth alignment: The tool is aligned with the flywheel teeth to simplify engine rotation tasks, improve efficiency, and reduce physical effort. Replacement and reliability: An effective replacement for the 9S9082 socket, this barring tool is crucial for any mechanic toolkit to ensure reliable performance in all barring applications. Use scenarios: - During routine maintenance on 3406E engines and related models to rotate the engine for component inspection. - When tasks require manual rotation between steps, such as timing or valve checks, with precise flywheel alignment. - In a shop, as a dependable substitute for the 9S9082 socket to maintain workflow in barring applications.