JE Pistons Ring Sets 1/16-1/16-3/16 RING

JE Pistons Ring Sets are built to seal combustion pressure effectively, which is key to getting the most horsepower out of your engine. This particular set, part number J100F8-4280-5, is designed for 8-cylinder applications and features file-fit dimensions of 1/16-inch for the top and second rings, and 3/16-inch for the oil ring. This allows you to precisely tailor the ring gap to your specific engine build, ensuring optimal performance.

The top ring is made from ductile iron with a plasma moly coating, offering good durability and sealing. The second ring is iron phosphate for reliable performance, and the oil ring is standard tension carbon steel with chrome. These materials and dimensions work together to create a solid seal, reducing blow-by and improving overall engine efficiency. JE Pistons is known for supplying top racing teams, and these rings benefit from that same level of expertise, offering improved durability and reduced friction.

Because these are file-fit rings, you'll need to carefully measure and file the end gaps to match your cylinder bore. This process is standard for performance engine builds where precise ring sealing is critical. Please note that this part is not CARB approved and cannot be shipped to California.