M14 X 1.5 Thread. Type: PCV Valve — Positive Crankcase Ventilation. PCV Valve Assembly — Positive Crankcase Ventilation Valve Kit with 14mm Crush Washer. • For Acura TSX 2004 – 2014 2.4L 4 Cylinder. • For Honda Civic 2006 – 2011 Si 2.0L 4 Cylinder.
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