your mechanic on Instagram: "This image shows the components of a typical internal combustion engine’s valve train system, specifically the parts involved in opening and closing the engine valves using a pushrod and rocker arm mechanism. This is commonly found in overhead valve (OHV) engines.it is also known as pushrod. --- 🔧 Components and Their Functions: 1. Cam Function: A rotating shaft with lobes (cams) that converts rotary motion into linear motion. Purpose: The cam pushes the tappet upwa