JE Pistons Audi 5.2L FSI R8 V10 85mm Bore 1.086 CH -4.70cc Pistons - Set of 10

JE Pistons are machined by the most advanced CNC machining technologies available. JE forged Pistons are trusted by racers and engine builders for dependability. JE Pistons are compatible with boost and nitrous. Crown requires no deburring or preparation. 2618 T6 high tensile forged aluminum. NEW ASYMMETRICAL FSR forging! State of the art asymmetrical skirt technology reduces friction and mass while providing a more rigid and durable platform (Skirt Style F). In this environment, higher boost levels or heavy nitrous usage necessitate JE's wrought 2618 alloy. FSR pistons include offset pins for quiet operation. FSR pistons feature new Smooth Finished Crown process for excellent flame travel. Tuff Skirt Coating Standard on all Gallardo V10 Pistons. 1.0 x 1.2 x 2.8mm ring widths. .787 x 2.250 straight wall 9310 steel wrist pin provided. Pin fitting, rings, and wire locks included.