4.2 Acres Borden, Clark County, Indiana $43,000. Build your dream home on one of these beautiful 1-1 1/2 acre lots on Money Hollow Rd. Entire 4.2 acre parcel is available. All 3 lots - $43,000.
Poppet valve & components, including valve stem oil seal. The yellow paint is a spring strength marking. A poppet valve (also called mushroom valve) is a valve typically used to control the timing and quantity of gas or vapour flow into an engine. It consists of a hole, usually round or oval, and a tapered plug, usually a disk shape on the end of a shaft also called a valve stem. The portion of the hole where the plug meets with it is referred as the 'seat' or ' valve seat '.
In the early days of engine building, the poppet valve was a major problem. Metallurgy was not what it is today, and the rapid opening and closing of the valves against the cylinder heads led to rapid wear. They would need to be re-ground every two years or so by a process known as a valve job.t consists of a hole, usually round or oval, and a tapered plug, usually a disk shape on the end of a shaft also called a valve stem. The portion of the hole where the plug meets with it is referred as the 'seat' or ' valve seat '.