The Supertech intake valve set for Mini Cooper R56 N14B16C applications includes eight black-nitrided intake valves in a +1mm oversize. Sold as a service set for engines requiring oversized intake valves, this collection matches the R56 N14B16C fitment and provides the specified +1mm diameter increase with a black-nitrided finish.
Supertech Mini Cooper R56 N14B16C Black Nitrided Intake Valve - +1mm Oversize - Set of 8