Supertech black nitrided intake valves are specified for the BMW S63 V8 32-valve engine and are sold as a set of 16 for complete cylinder banks. These valves are intended for use with the listed keeper KPR-6S-7 and provide a matched replacement solution for engine builds or service where OEM-fit intake valve sets are required for the S63 application.
Supertech BMW S63 (V8) 32V Black Nitrided Intake Valve - Set of 16 (Use w/ Keeper KPR-6S-7)