Synchronizer Ring Transmission Synchro OEM

New OEM Genuine Nissan manual trans synchro ring. Will fit Datsun 240Z, 260Z, 280Z, and 280ZX, 1970-83. Fits 4 & 5-speed. This ring is for gears 1-4 only, 5th gear uses a different size of synchronizer or "Baulk Ring".