The Mahle OE plain piston ring set is specified for Ford 361 and 390 engines in Dearborn Marine, Ford Industrial and Ford Truck applications from 1961–1971. MAHLE piston rings reflect OE engineering priorities—reducing friction and ring mass while limiting oil consumption—to improve longevity and maintain effective piston sealing using advanced ring design principles.
Mahle Rings Dearborn Marine Ford 361/390 Engs 61-71 Ford Ind Ford Trk 360/390 Plain Ring Set