Intake Valves
The intake valves are made from carbon steel. The carbon content allows the valve to be hardened and tempered to increase strength and also to be locally hardened to improve wear resistance. The MINI COOPER S uses an upgraded material.
The intake valves are made from carbon steel. The carbon content allows the valve to be hardened and tempered to increase strength and also to be locally hardened to improve wear resistance. The MINI COOPER S uses an upgraded material.