Diamond Pistons - Audi 2.5L TFSI TT-RS pistons with CR 10.0:1 Bore 82.50mm Wrist Pin H13 22mm 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.
Specifications:
Bore: 82.50mm
Wrist Pin: 22mm (Tool steel H-13 alloy wrist pins. Part number H8662250225C Extra wall thickness, 5.72mm)
Compression height :1.165
Weight: 298
Skirt coating: Molly Skirt coating
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 Wrist pins from 1018 mild steel
