JE Ultra Series forged pistons for the Audi TT RS 2.5 TFSI 5-cylinder use Aligned Grain Flow forging along with thermal barrier crown coating, skirt coating, lateral gas ports and optimized pin oiling to withstand extreme cylinder pressures of power-adder builds. The kit includes high-strength wrist pins and other performance-oriented features, and Ultra Series pistons are manufactured 100% in the USA for demanding racing applications.
JE Pistons Audi TT RS 2.5 TFSI 5-Cyl Ultra Series 83mm Bore Piston Kit (Set of 5)