MAHLE Moly piston ring set for Chevrolet and GMC 305 cubic‑inch engines provides OE‑driven piston ring technology aimed at reducing friction, lowering ring mass and minimizing engine oil consumption. This set covers Chevy truck 305 applications from 1973–1975 and broader GMC 305 engine ranges noted in the original fitment text, delivering the technical approach MAHLE applies to piston ring design.
Mahle Rings Chevy Truck 305C Eng 73-75 GMC 305ABCD Engs 60-75 Moly Ring Set