JE Pistons four‑cylinder piston ring set, file fit for a 4.060 in bore, includes a 0.0394 in carbon steel nitride top ring, a 0.0472 in ductile iron phosphate second ring and a 3.0 mm low‑tension oil ring. Designed to maximize horsepower through precision combustion sealing, these rings use high‑quality materials and optional custom services such as back cutting and PVD coating for enhanced durability and reduced friction.
JE Pistons Ring Sets .0394 AH Top Ring / .0472 AH Ring 2 / 3.0mm Oil Ring / 4.060 Bore