X3 Series

enhancing the endurance of your cam followers and allowing them to thrive under the demanding conditions of racing

and S14B27 engines

HP Rating: 750

CAT Cams camshaft kits provide the performance upgrades you need

BMW N55 / S55 Valves by Ferrea Options:Triple Groove - 32mm Intake / 28mm Exhaust X3 SeriesFerrea Competition Plus Valves are celebrated for their extreme duty performance and industry leading reliability. Designed specifically for the BMW N55 and S55 engines, these valves are crafted from aerospace grade alloys like EV8 Z18, delivering superior tensile strength and exceptional durability for high performance applications. Ferrea's two step slow forging process ensures optimal grain flow and minimizes internal stress, providing unmatched