This Supertech intake racing valve set for the Honda NSX includes 12 stainless steel valves, each 36 x 5.48 x 112.15mm with a black nitrided finish. Sold as a set of 12, these valves are intended for NSX intake use; note the dimensions and nitrided stainless-steel construction when matching to your head and camshaft specifications.
Supertech Honda NSX 36x5.48x112.15mm SS Blk Nitrided Intake Racing Valve - Set of 12