Transmission Main Bearing 4 and 5 Speed OEM 240Z 260Z 280Z 280ZX

New OEM main shaft bearing for 4 and 5 speeds in 1970-1983 Z car trans.  Choose from early 4-speed or later style.

A:  1970-71 4-Speed, with retainer ring, I.D.=30mm, O.D.=72mm, width=19mm

B:  1971-83 4 and 5-Speed, no retainer ring, I.D.=30mm, O.D.=72mm, width=19mm

*Not for T5