Ferrari Part - Compass Thread (Is Up No. 13801) in Ferrari 365 GTB4 Daytona (1969) (Mechanical Table 009B Cooling System, Water Pump, Radiator (1974 Revised))

Ferrari part number -, COMPASS THREAD (IS UP NO. 13801), shown here as used in a Ferrari 365 GTB4 Daytona (1969) (Mechanical Table 009B Cooling System, Water Pump, Radiator (1974 Revised)).