The Supertech Audi 1.8T/2.7T Int Cam Follower 24x24.2x15mm Stem - Single (D/S Only) is a high-performance cam follower designed to provide superior performance and reliability for Audi 1.8T and 2.7T engines. This cam follower has a 24x24.2x15mm stem and is sold as a single unit for driver-side (D/S) applications. It is made with hardened steel and features a special coating to prevent corrosion and wear. This product is designed to improve engine performance and reliability.