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Part Number:
JE-338097

JE Pistons 338097 Forged BMW N55B30 Dish 84.5mm Bore

JE Pistons, BMW 2009+ N55B30, Bore 84.5mm, Stroke 89.6mm, Rod Length 145mm, Dish -14.7cc, 313 Grams, Set of 8

Special Price $1,484.99 Regular Price $1,649.99
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⚠ PROP 65 WARNING
⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals. For more information, go to www.P65Warnings.ca.gov.
JE Pistons are machined by the most advanced CNC machining technologies available. JE forged Pistons are trusted by racers and engine builds for dependability. JE Pistons are compatible with boost and nitrous.

  • 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.
  • In this environment, higher boost levels or heavy nitrous usage necessitate JE's wrought 2618 alloy.
  • FSR pistons include offset pins for quiet operation.
  • Pistons feature new Smooth Finished Crown process for excellent flame travel.
  • 1.0 x 1.2 x 2.8mm ring widths
  • .827 x 2.250 straight wall carbon steel wrist pin provided.
  • Pin fitting, rings and wire locks included

    Compression Ratio:
  • 9.5:1
  • More Information
    CNC Part Number JE-338097
    Price $1,649.99
    Manufacturer's Part Number 338097
    Brands JE
    Part Types Engine Piston
    Departments Parts
    Vehicle Make BMW N55
    Bore Size 3.327
    Crankshaft Stroke 3.528
    Rod Length 5.709
    Piston Type Dish
    Compression Height 1.276
    Piston Material 2618 Forged
    Piston Ring Size 1.0mm 1.2mm 2.8mm
    Wrist Pin Size 0.866
    Custom Notices ⚠ PROP 65 WARNING
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