CP Piston & Ring Set EJ257 99.5mm

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CP Piston & Ring Set EJ257 99.5mm
These pistons will come provided with rings and wrist pins and are designed to sustain the perils of high horsepower and high boost builds.


  • 99.5mm Bore
  • 8.2:1 Compression Ratio
  • Deep valve relief depth accommodates high lift camshaft
  • Made for +1mm valve sizes
  • Custom skirt cam and barrel design
  • Accumulator grooves
  • High strength aluminum forgings
  • High-performance rings
  • Fully CNC machined and balanced to +/- 1 gram
  • Wrist pins included at no additional cost
  • Double pin oilers, force fed oil ring
  • Pick lock grooves for easy lock removal
  • Pin fitting included