This CORTECO bolt kit is specifically designed for the connection between the drive pulley and the crankshaft. It contains all the necessary high-quality bolts required for a secure and durable installation. Proper installation of the drive pulley is crucial for the correct functioning of various engine components driven by the crankshaft. This kit ensures that you have the right fasteners to maintain the integrity of this critical connection. CORTECO is known for producing reliable engine parts. Using this bolt kit will help maintain the performance and longevity of your engine by providing the correct specifications for this application.