JE Pistons Ring Sets 1.0-1.2-2.8-3.307 2017-mercedes-benz-gle300d-esi9977290 Alternative sizes are available for

Alternative sizes are available for different wheel/tire specs—pricing may vary slightly

Great front pad option for lighter cars

Adjust your wastegate duty cycle during flashes (-50% to +10%) to correct underboost

Secondary intake runner control

JE Pistons Ring Sets 1.0-1.2-2.8-3.307 2017-mercedes-benz-gle300d-esi9977290 Alternative sizes are available forJE Piston Rings are designed to maximize horsepower through precision sealing of combustion pressure. They are offered in a huge selection of sizes, various materials, and in multiple thicknesses to suit a wide variety of engines. JE Pistons also offers an array of custom piston ring services including back cutting, dyke cutting, lapping, grinding, and PVD coating. These services, the same used by top NHRA Pro Stock and NASCAR teams, are now available