The Piston Ring in Pontiac Fiero cars is crucial in closing the piston's combustion chamber, enhancing the burning of fuel-air mixture and minimizing the,Gas loss, and controlling oil loss as well. These rings, usually cast iron or steel, can be designed broadly with a narrow band of providing minimum friction along with satisfactory sealing ability which in turn could dictate the efficiency and durability of the over all engine. Available models of Pontiac Fiero have employed different types of Piston Rings, such as thin types as they improve the seal and lessen friction. New innovations brought into the market have seen rings that are 1mm and 2mm which increase oil control, new piston designs. The top rings may be coated with plasma-moly or chrome while the second rings come as cast iron attributing to advancement in the Piston Ring technology in the Pontiac Fiero models.