'01-'06 BMW E46 M3, '01-'02 Z3, '06-'08 Z4 S54B32 3.2L 24V

• 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
• .827 x 2.250 straight wall carbon steel wrist pin provided.
• Pin fitting, rings and wire locks included