Supertech black-nitrided intake valves for the BMW S85 V10 are offered as a set of 20 oversized +3mm intake valves. The black nitrided finish provides a treated surface on intake valves, and the oversize specification supports engines undergoing head work or reconditioning where larger valve diameters are specified. These valves are intended for professional engine builds requiring matched valve sets.
Supertech BMW S85 V10 Black Nitrided Intake Valve - +3mm Oversize - Set of 20