I do see where a plastic cap is missing or broken and a plastic port is broken also. The item "1970 1971 Monte Carlo SS454 Load Leveler Rear Shock Absorber Level Control" is in sale since Tuesday, November 9, 2021. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts & Accessories\Other Car & Truck Parts & Accessories".
The seller is "ihav1" and is located in Winter Springs, Florida. This item can be shipped worldwide.