Fitment: Steel valve covers with 1-1/4" breather/PCV hole
Inner Diameter: 3/4" I.D. for standard PCV valves
Material: Automotive-grade rubber
Outer Diameter: 1-1/4".
Inner Diameter: 3/4".
Seal: Tight, leak-resistant fit
Use Case: Required for installing PCV valves or breathers in steel valve covers
Style: Push-in PCV grommet
Rubber breather/PCV grommets are 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. Outer Diameter: 1-1/4". Inner Diameter: 3/4".