You are looking at a brand NEW valve cover PUSH-IN breather cap.- 1" (25mm) neck - Black coated steelThis cap is designed for 1-1/4 inch breather holes.Thanks for looking and don't forget to check out all of our other Restoration Essentials in our store.Your parcel will have a unique tracking number which will be sent to you via email on dispatch so you can keep an eye on your delivery.