Off of a 1974 260z. Could use a strip and refinish. A few different variations exist.
Datsun 240Z 260Z 280Z Brake Master Cylinder Cap Lid OEM 550
ARP 202-4206 Head Stud Kit For Nissan Datsun L24 L26 L28 240Z 260Z 280Z Turbo
Datsun 240Z 260Z 280Z Brake Master Cylinder Cap Lid OEM 563
Datsun Genuine Fan Water Pump Pulley 240Z 260Z 280Z 280ZX 1970-1983 Re-Plated
Datsun Brake Master Cylinder Caps, 240Z 260Z 280Z, 1972-1978, Tokico OEM NEW
Vacuum Brake Booster 47210-N3001 for Nissan Datsun 240Z 260Z 280Z 47210-N4300