These low profile wheel nut lugs are used in the DPR bolt on wheel spacers. They are 1.25P thread pitch and priced per each nut. They will recess completely into the body of a 15mm spacer. They stand 12.3mm tall and take a 19mm socket. Note these will NOT fit the G-racing wheel spacers as they require a 17mm socket.

Turbosmart FPR2000 fuel pressure regulator
BC Camshafts VQ35 stage 2 / 3
DPR wheel spacers 15mm 4x114.3 Nissan (pair)
BC cam gears Nissan SR20
BC Camshafts SR20DE(T) stage 2 / 3 