JE Pistons 297116 forged pistons BMW E46 M3 S54B32 3.2L 24V 87.50 mm CR 9.0:1

Set of JE Pistons forged pistons for: BMW E46 M3 S54B32 3.2L 24V 2001-2006

Specyfication:
Bore : 87.50 mm
Compression ratio: 9.0:1

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.
In this environment, higher boost levels or heavy nitrous usage necessitate JE's wrought 2618 alloy.
FSR pistons include offset pins for quiet operation. Pistons feature new Smooth Finished Crown process for excellent flame travel.
1.0 x 1.2 x 2.8mm ring widths
.866 x 2.250 straight wall carbon steel wrist pin provided.
Pin fitting, rings and wire locks included