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Part Number:
UEM-IC786-070

Icon Pistons IC786-070 Fits BBC 427 489 Dome 12cc Bore 4.320

Fits BB Chevy 427-489, Bore 4.320, fits 427 3.760 Stroke with 6.385 Rod, fits 489 4.250 Stroke with 6.135 Rod, 623 grams, Dome 12cc, Set of 8 Pistons

Special Price $867.69 Regular Price $894.53
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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 427 96.5cc 10.3:1, 108cc 9.3:1, 119cc 8.5:1
  • Compression Ratio 489 96.5cc 11.7:1, 115cc 9.9:1, 119cc 9.6:1
  • Advertised piston weight 623 grams, 141 gram wrist pin
  • OE Deck Height 9.800"
  • Note: Standard bore size is 4.250
  • Notes: Centered Pin, Closed Chamber Design, Edelbrock and O.E. Heads
  • Notes: Ships direct from manufacturer
  • More Information
    CNC Part Number UEM-IC786-070
    Price $894.53
    Manufacturer's Part Number IC786-070
    Brands Icon
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Chevy BB
    Bore Size 4.320
    Crankshaft Stroke 3.760, 4.250
    Rod Length 6.135, 6.385
    Piston Type Dome
    Compression Height 1.520
    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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