JE Pistons Gen 3 Coyote 5.0 Ultra Series 3.661in Bore 11:1 CR 1.5cc Dome Pistons - Set of 8 Pistons 2017-bmw-650i-gran-coupe-esi7021011 including the Radium 20-049X-XX FCST

including the Radium 20-049X-XX FCST fuel cell surge tanks

✓ Split flow design for inline flex fuel sensor installation

65" internal bore capable of supporting all necessary engine power requirements on the BMW E46 M3 S54

Flex sensor mounting bracket

Construction: Machined aluminum

JE Pistons Gen 3 Coyote 5.0 Ultra Series 3.661in Bore 11:1 CR 1.5cc Dome Pistons - Set of 8 Pistons 2017-bmw-650i-gran-coupe-esi7021011 including the Radium 20-049X-XX FCSTUltra Series forged pistons from JE are the industry? s strongest, most fully featured pistons available off the shelf. Offered for a wide range of domestic applications from LS to Big Block and HEMI to Ford Modular, Ultra Series pistons feature JE? s proprietary Aligned Grain Flow forging technology providing next level tensile strength ideal for the extreme cylinder pressures of power adder engine builds. Equipped with custom level features