New driveshaft transmission input slip yoke with stock Datsun U joint or 1310 series. This part will fit Datsun 240Z, 260Z,280Z and 280ZX, 1970-83 (not turbo) with automatic and manual transmission. Yoke O.D. is 1.375", with 24 spline (22 with 2 skips). Choose from stock U-joint or larger 1310 series.