The product is a 2018 Dodge Challenger SRT Demon Differential with a shaft diameter of 195mm, designed specifically for the rear axle of the vehicle. It has been used for approximately 30,000 miles and is a genuine SRT brand component, ensuring quality and compatibility with the vehicle. This differential and housing assembly is a reliable and essential part of the drivetrain system for a Dodge Challenger SRT Demon #1612 out of 2000