power delivery becomes less flexible

5 grams for seamless engine balance

With integrated mounting points for OEM belt tensioners

Read below for important information regarding there differences

and S52 Engines

BMW B46 Valves by Ferrea Options:Triple Groove - 30.6mm Intake / 29mm Exhaust power delivery becomes less flexibleFerrea 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