JE Ultra Series Forged Pistons Mitsubishi Evo 4 5 6 7 8 9 4G63T 85mm STD -5 cc 10.0:1 set of (4).

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On sale: $717.34
Retail Price:$852.12
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Part Number:361287

MITSUBISHI 1999-2007 EVOLUTION VI - IX / 4G63 22MM PIN

  • Crown requires no deburring or preparation
  • 2618 T6 high tensile forged aluminum
  • 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).
  • 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.
  • Pin fitting and wire locks included

 

Ultra Series Includes: 

  • Grain Flow Optimized Forging
  • Lateral Gas Ports 
  • Ceramic Crown Coating 
  • Perfect Skirt Coating 
  • Accumulator Groove 
  • Double Pin Oiling 
  • Upgraded 9310 Pins and locks 
  • Carbon Steel Nitride Rings

Specifications

More Information
Weight6.0000
Part TypePistons
MakeMitsubishi
Vehicle GroupEvo 4-6 CP9A, Evo 7-8 CT9A, Evo 9 CT9A
Engine4G63T (7-Bolt Evo 4-8), 4G63T (7-Bolt Evo 9)
Compression Ratio10.0:1
Item Weight324 g
Bore Diameter85mm
Pin Size0.866" / 22mm
Included Ring SetJG1004-3346
Head cc43.5 cc
Dome cc-5 cc
Compression Height1.367" / 34.7mm
Piston CoatingCrown Coating, Skirt Coating
ManufacturerJE Pistons
Stroke88mm
Skirt TypeSlipper Skirt
Rod Length5.900" / 150mm
Piston Material2618
Compression Ratio Range9.0:1 - 10.0:1, 10.0:1 - 11.0:1
Bore OversizeStandard Bore
Engine Head4G63T (7-Bolt Evo 4-8), 4G63T (7-Bolt Evo 9)
Rod Length OversizeStandard Length
Last Modified12/20/2018 9:09 am
Last Updated12/20/2018 9:11 am
Carb LegalNo
Stroke OversizeStandard
Pin Material9310 Steel
Last Netsuite Sync12/20/2018 08:34 am
Product FlagsN/A