Each valve undergoes a 48-hour heat treatment and stress-relieving process to ensure optimal molecular integrity

the 4A-G 20V is a favorite amongst engine builders and tuners for performance motorsport builds

Multiple camshaft profiles for mild or aggressive power gains

CAT Cams provides a wide selection of camshaft grinds designed to optimize your BMW M30 engine for any driving style

Additional Requirements

Febi Bilstein Rocker Arm, BMW M20 11331271429 Options:Single Rocker Arm Each valve undergoes a 48-hourThe M20 engine is a BMW inline six engine that was used in various BMW models. Rocker arms are components in an engine's valvetrain that help transfer the motion from the camshaft to the valves. If you have broken rocker arms in your M20 engine, it's important to address the issue promptly to avoid further damage to the engine and ensure proper performance. Before replacing the broken arm, identify why it broke. Consider factors like wear, lubrication