You are looking at a black billet twisted grooved spiked fairing bolt dress up kit. This kit consists of 27 pieces, compared to other sets out there that consist of only 18 pieces. These components are manufactured from 6061 aluminum, polished then anodized black for a vibrant show finish.
'99-'07 Hayabusa Black Grooved Spike Fairing Dress Up Kit

Contains: 2 small spikes for the windscreen, 2 medium stepped spikes for the console panels, 6 medium stepped spikes upper fairing, 6 medium stepped spikes lower fairing, 2 large spikes for the right side fairing, and 1 large spike for the left side fairing, 2 large spikes for the tail section, 6 medium spikes for the fenders for 27 total pcs.