A Ring That's Right For Every Engine

Shows the step-by-step manufacture of Perfect Circle piston rings with particular focus on chromatic and moly-plus rings. Includes a tour of Perfect Circle's four Indiana plants at Rushville, Hagerstown, Richmond and Tipton and observes casting, testing, machining, inspection and installation procedures. Includes brief segments on the history of Perfect Circle and racing.

Related films

Sources

  1. 16mm Filmography (legacy record) — title, creator, format, sound, description, catalog record