This MSD Ignition crank trigger kit is perfect for those looking to upgrade their ignition system. Made with high-quality metal and steel materials, it ensures durability and reliable performance. The kit includes two crank triggers and is designed for use with large block engines. The silver finish adds a sleek touch to your vehicle while the polished design enhances its overall appearance. This kit is compatible with various manufacturer part numbers such as 8520, 8525, and 8625, and is considered a performance part. It comes with a lifetime manufacturer warranty and is made in the United States.