Ferrari Part 2D5 UNI 5588 Nut in Ferrari 365 GTB4 Daytona (1969) (Mechanical Table 041A Fuel Pump System (1972 Revised))

Ferrari part number 2D5 UNI 5588, NUT, shown here as used in a Ferrari 365 GTB4 Daytona (1969) (Mechanical Table 041A Fuel Pump System (1972 Revised)).