Patent 7128034 was granted and assigned to MacLean-Fogg (company) on October, 2006 by the United States Patent and Trademark Office.
The present invention relates to a valve lifter body, comprising an outer surface, enclosing a first cavity and a second cavity, wherein the first cavity includes a first inner surface configured to house a cylindrical insert, the second cavity includes a second inner surface cylindrically shaped, and at least one of the cavities is fabricated through forging.