Rubber breather/PCV grommet is used as a seal between the valve cover and a breather or PCV. You will need the grommet when using any valve cover with a breather or PCV. Fits valve covers with a 1-1/4" diameter push-in hole. Qty: 1 piece. NOTE: Breather/PCV grommets must be cut before use.
Outer Diameter: 1-1/4". Inner Diameter: 1".