JE Pistons & Rings 90 Bore 86mm Stroke 9.0:1 Comp Mitsubishi EVO X 4B11T

SKU: jep317839
Availability: Out Of Stock
Type: Engine Pistons/Rings
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Regular Price: $885.46 - Instant discount: $194.72 = $690.74

Subtotal: $690.74
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Part #: 317839

NEW ASYMMETRICAL FSR forging! State of the art asymmetrical skirt technology reduces friction and mass while providing a more rigid and durable platform (Skirt Style F).


*** NOTE *** Oil squirter modification needed for Asymmetrical FSR.
Squirter can be bent or locating pin removed for clearance. Please make sure to check Rod to Oil Squirter clearance when relocating oil squirter.

  • Crown requires no deburring or preparation
  • 2618 T6 high tensile forged aluminum
  • In this environment, higher boost levels or heavy nitrous usage necessitate JE's wrought 2618 alloy.
  • FSR pistons include offset pins for quiet operation.
  • Dished pistons feature new Smooth Finished Crown process for excellent flame travel.
  • 1.0 x 1.2 x 2.8mm ring widths
  • .866 x 2.250 straight wall carbon steel wrist pin provided. Round style pistons use 2.350 length pins.
  • Pin fitting, rings and wire locks included
  • Includes 4 pistons and 4 rings
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