JE Ultra Series forged piston kit for the Audi TT RS 2.5 TFSI 20V (3.287 in. bore, 9.50:1 compression) is an off-the-shelf, fully featured forged piston solution. Ultra Series pistons use JE's Aligned Grain Flow forging, thermal barrier crown coating, skirt coating, upgraded wrist pins and lateral gas ports. These features are stated to address high-boost, high-horsepower engine environments and are made in the USA.
JE Pistons Audi TT RS 2.5 TFSI 5-Cyl Ultra Series 3.287in Bore