Description: The breather tube on top of your valve cover was designed to be connected by a hose to the air cleaner to facilitate Positive Crankcase Ventilation (PCV). If you change your carburetor or intake type and no longer have a place for the hose, never block the valve cover vent tube, and don't leave it without the protection of a filter. These filters are a proper fit for the valve cover vent tube, and look great while protecting your engine! See matching PCV Pipe breather in Related Items below.
California Residents: For off road use only.
Model Guide: Datsun 240Z, 260Z, 280Z, 280ZX
Code Guide: Datsun S30, S130
Year Guide: 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983
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