Jamestown Distributors Presents Marvel Mystery Oil. Marvel Oil reduces and prevents varnish and gum build-up, two key contributors to robbing engine performance. It lubricates the entire fuel system, fuel injectors or carburetors, and top-portion of the cylinders. Marvel Oil does much more for your engine, to learn about this oil's other functions watch this product demo or visit our website at http://tinyurl.com/36v2wfl.
