Fo r sale is a. The larger opening measures 2 & 7/8", and the smaller opening measures 2 & 3/4". This is ideal for a factory accurate resto ration.Please pay for your item(s) within 5 days, or immediately if possible. I always present my items as accurately as possible, both in pictures and in descriptions. The item "Datsun 280z Air Cleaner to Air Flow Meter Hose/Boot, 1975-1978 NOS" is in sale since Wednesday, July 13, 2016. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Air Intake & Fuel Delivery\Other". The seller is "total-z" and is located in Los Angeles, California. This item can be shipped worldwide.