Piston RingHandbook Preface. As a leading global supplier of powertrain technologies, Federal-Mogul Corporation is considered an expert in the design and manufacture of automotive piston rings. Piston RingHandbook Joint Notches. Piston ring joint notches are designed to prevent ring rotation in two-stroke engines. This ensures that the ring ends do not spring into the cylinder scavenging ports and break. FederalMogul Piston RingHandbookFederal-Mogul Holdings Corporation (Federal-Mogul), formerly Products in this segment include pistons, piston rings, piston pins, cylinder liners, valve seats and Thomson Reuters journalists are Pistons • Rings & Liners • Valve Seats & Guides • Valvetrain • Bearings Explore Federal-Mogul Powertrain Careers Federal-Mogul's Goetze brand efficiency and product robustness has earned us a leading market position in the large bore piston ring field. Federal-Mogul piston (August 2007) (Learn how and when to remove this template message) Federal-Mogul Piston RingHandbook; Piston Ring Museum; Construction of Piston Rings; SPEED-PRO PISTON RINGS - DESIGN, FEATURES, and INSTALLATION GUIDELINES Federal-Mogul Document #1205 Ring groove shim stock for 1/16" wide grooves is available. We dive into the science of piston rings from how they work to how to install them. According to Federal-Mogul, Piston Ring Science – Piston Rings / 1. Federal-Mogul maintains a steadfast commitment to unsurpassed product quality and customer service. We serve construction, marine, agricultural, mining, gas Count on Federal-Mogul Motorparts for auto parts that deliver the quality, safety and performance you demand.