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Part Number:
UEM-IC998-STD

Icon Pistons IC998-STD Fits BBC 427 Dome 43cc Bore 4.250

Fits BB Chevy 427, Bore 4.250, Stroke 3.760, Rod Length 6.135, 718 grams, Dome 43cc, Set of 8 Pistons

Special Price $944.27 Regular Price $973.47
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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 119cc 11.4:1
  • Advertised piston weight 718 grams, 141 gram wrist pin
  • OE Deck Height 9.800"
  • Note: Standard bore size is 4.250
  • Notes: Centered Pin. Hollow Dome. Will fit Afr, Rhs, Trick Flow, World, Edelbrock, Brodix, Dart, & O. E. Chevy Open Chamber Heads That Are 118cc's Or Larger. Always Check Piston To Chamber & Valves To Assure You Have Adequate Operating Clearance
  • Notes: Ships direct from manufacturer
  • More Information
    CNC Part Number UEM-IC998-STD
    Price $973.47
    Manufacturer's Part Number IC998-STD
    Brands Icon
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Chevy BB
    Bore Size 4.250
    Crankshaft Stroke 3.760
    Rod Length 6.135
    Piston Type Dome
    Compression Height 1.765
    Piston Material 2618 Forged
    Piston Ring Size 1/16 1/16 3/16
    Wrist Pin Size 0.990
    Custom Notices ⚠ PROP 65 WARNING

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