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JUN Stroker Kit 2.3L EX Series Mitsubishi 4B11|Evo10



Model #1029M-M002

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The EX series is containing whole parts of increasing displacement volume. This kit will show true value when the motor use in exacting race stage such as needing balance of engine and stiffness parts.

Kit Includes: Forged Piston W-Series x 4, Piston Pin x 4, Snap Ring x 8, Piston Ring Set x 4, I-Beam Connecting Rod x 4, Forged Crank Shaft x 1, Rod Bearing x 4, Oil jet x 4


  • Bore: 87.0mm
  • Stroke: 97.0mm
  • Displacement: 2307cc
  • Comp. Ratio: 8.8:1(1 = reference value when a 0.8mm thickness gasket was used.)
  • Piston Wt: 309g
  • Piston-pin Wt: 101g
  • Comp. Height: 28.5mm
  • Crown Shape: Concavity
  • Crown Volume: 15.5cc

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Vehicle Engine Notes
Mitsubishi Evolution X

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