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JE Pistons 99.75mm Bore CR 8.5 KIT Set of 4 Pistons Subaru WRX 2002-2014 / STI 2004-2015+ EJ257

In stock
Part#
296348
Special Price $533.00 Regular Price $566.04
FEATURES:
  • JE Pistons 99.75mm Bore CR 8.5 KIT Set of 4 Pistons SUB STI EJ257

JE Pistons are specifically engineered for extreme applications up to, and including, professional competition. In this environment, higher compression ratios, extreme boost levels and heavy nitrous usage necessitate the higher tensile strength 2618 aluminum alloy found in every JE Piston.

  • Application Specific Forgings for an Optimized, Uniform Crown Thickness
  • Contact Reduction Groove to Minimize Frictional Drag
  • Accumulator Groove for Increased Top Ring Stability and Sealing
  • CNC-Machined Side Relief with Lower Support Band for Additional Skirt Strength
  • Honed Pin Bores, Double Pressure Fed Pin Oilers and Wire Locks Included
  • JE ProSeal Piston Rings are included with your JE Pistons

Specifications

  • PartNumber:je296348
  • Head CC:57.0
  • Stroke:79mm
  • Oversized:0.25
  • Dome CC:-17.0
  • C/D:30.7mm
  • Gram Weight:405
  • Rod:130.5mm
  • Bore:99.75mm
  • Comp Ratio:8.5:1
  • Skirt Type:Full Round
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