Audi 2.5 TFSI RS3/TT-RS 9.5:1 82.50mm (23mm Pin) Diamond Forged Pistons

The Audi 2.5L TFSI TT-RS pistons are made by Diamond Racing USA. They are built as tough as can be to withstand the vigorous demands of racing. No matter how much boost pressure you are running or how high you are revving, these pistons will take it and ask for more! Check the individual features for your application below. Product Features and Design 2618 Low-silicon / High expansion alloy for High HP/Boost applications Round skirt design with bottom reinforcing band 3D under crown milling to ensure minimal weight without compromising strength. 3D milling on piston crowns for ready to install finish Over size valve pockets for larger than stock valves and clip cuts on the edge of the pistons Window milling, reduce piston overall weight while maintaining its strength and structural integrity Lateral gas ports for better ring seal Offset pins for quiet operation Molly Skirt coating for friction minimization and skirt wear protection Premium 8620 series pins from 1018 mild steel *Optio