This is a NOS Briggs and Stratton vertical shaft engine, most likely for a lawn mower, pressure washer or other lawn equipment. This engine is in excellent condition, and has never been ran, or even had fuel in it. The oil in the crankcase is very clean and most likely original from the factory.
This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Lawn Mowers, Parts & Accessories\Lawn Mower Parts". The seller is "j-stock12" and is located in this country: US.