BMW B46 Valves by Ferrea 440 Manley pistons prioritize both power

Manley pistons prioritize both power and resilience

including current and future engines utilizing short body injectors

these high performance valves for the BMW M20 series are designed to optimize engine airflow

Kit Contents:

BMW B46 Valves by Ferrea 440 Manley pistons prioritize both powerFerrea Competition Plus Valves are renowned for being one of the most dependable extreme duty valves on the market. Engineered for the BMW B46 engines, these high performance valves are crafted from aerospace grade alloys, including EV8 Z18 for superior tensile strength. Ferrea's unique two step slow forging process optimizes grain flow, minimizes material stress, and enhances durability under extreme conditions. Each valve undergoes a 48 hour heat