Ferrari Part 2D8 x 1 -UNI 5588: Nut in Ferrari 365 GT 2+2 (Mechanical) (Mechanical Table 011 Timing Controls)

Ferrari part number 2D8 x 1 -UNI 5588:, NUT, shown here as used in a Ferrari 365 GT 2+2 (Mechanical) (Mechanical Table 011 Timing Controls).