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Part Number:
UEM-IC887-040

Icon Pistons IC887-040 Fits Oldsmobile 455 Dish 25cc Bore 4.166

Fits Oldsmobile 455, Bore 4.166, Stroke 4.250, Rod Length 6.735, Dish 25cc, C583 grams, Set of 8 Pistons

Special Price $812.71 Regular Price $837.85
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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.
Icon Forged Pistons are forged from high ductile 2618 alloy. With a 1% silicon content 2618 alloy they are formulated and heat treated for the most demanding performance applications such as very high compression ratios, boosted application and nitrous
  • Crown and valve reliefs are cnc machined
  • Top land mini groove technology
  • Skirts machined by UEM's unique in house built cnc machines
  • Accumulator groove to help eliminate flutter and maximize ring seal
  • Skirt and pin boss struts designed to withstand heavy loads from high cylinder pressures
  • Wrist pins and spiral lock rings included
  • 1/16 1/16 3/16 rings not included
  • Compression Ratio 77cc 9.5:1, 80cc 9.3:1, 84cc 9.0:1
  • Advertised piston weight 583 grams, 149 gram wrist pin
  • OE Deck Height 10.625"
  • Note: Standard bore size is 4.126
  • Notes: Pin is Centered. Use OE or Edelbrock style heads
  • Notes: Ships direct from manufacturer
  • More Information
    CNC Part Number UEM-IC887-040
    Price $837.85
    Manufacturer's Part Number IC887-040
    Brands Icon
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Oldsmobile
    Bore Size 4.166
    Crankshaft Stroke 4.250
    Rod Length 6.735
    Piston Type Dish
    Compression Height 1.750
    Piston Material 2618 Forged
    Piston Ring Size 1/16 1/16 3/16
    Wrist Pin Size 0.980
    Custom Notices ⚠ PROP 65 WARNING

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