Ferrari Part 16x1,5-UNI 5589 Nut in Ferrari 365 GTB4 Daytona (1969) (Mechanical Table 006 Timing)

Ferrari part number 16x1,5-UNI 5589, NUT, shown here as used in a Ferrari 365 GTB4 Daytona (1969) (Mechanical Table 006 Timing).