PCV Crankcase Vent Hose to Intake 280Z 280ZX

New PCV hose. This hose will fit Datsun 280Z and 280ZX, 1975-1983. The hose connects from the engine block vent under the intake manifold to the PCV valve.  Two different sizes were used, the larger engine block vent diameter is about 1" (25mm), some of the ZX engines used a different block vent fitting which was about 5/8"(16mm).   Choose from the smaller (5/8") or larger (1").