JE Sport Compact Pistons 100mm Bore STI 2004-2018 (291062)

JE Pistons

291062

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

Features:

 

  • 2618 T6 high tensile forged aluminum
  • Comp Ratio: 8.5:1
  • Bore: 100mm
  • Gram Weight: n/a
  • Dome CC: -17.3
  • Head CC: 57.0
  • Stroke: 79mm
  • Rod: 130.5mm
  • Oversized: 0.50
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