A Ring That's Right For Every Engine

Creator: School Assistance Program

Format: 16mm

Sound: sound

Description: 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.


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