The JE Ultra Series single forged piston is specified for the Audi TT RS 2.5 TFSI 5-cylinder application and is manufactured with JE's Aligned Grain Flow forging for high tensile strength in boosted engine builds. Ultra features skirt coating to reduce friction, a thermal barrier crown coating, lateral gas ports, optimized pin oiling, and high-strength wrist pins. These pistons are made in the USA for high-power applications.
JE Pistons Audi TT RS 2.5 TFSI 5-Cyl Ultra Series 82.5mm Bore Piston Kit (Single)