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Part Number:
UEM-IC521CA-015

Icon Elite Pistons IC521CA-015 Fits GM 5.7L Flat Top 4cc 3.913 Bore

Fits GM 5.7L LS1 / LS6, Bore 3.913, Stroke 3.622, Rod Length 6.098, 433 grams, Flat Top 4cc, Set of 8 Pistons

Special Price $823.17 Regular Price $848.63
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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.
GM 5.7L LS1 LS6 Icon Forged Elite Pistons are machined from 2618 alloy for higher horsepower naturally aspirated and power adder applications. Features include anodized crown and top land,
  • 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
  • Offset wrist pins included
  • 1.2mm, 1.2mm, 3.0mm rings not included
  • Compression Ratio 5.3L - 64.5cc 10.0:1 / 68.4cc 9.6:1
  • Advertised piston weight 433 grams, 124 gram wrist pin
  • OE Deck Height 9.240"
  • 15° Valve Angle
  • Note: Standard bore size is 3.898
  • Features: Offset Wrist Pin. 2nd Land Accumulator Grooves, Round Wire Locks, and M42 Skirt Coating
  • Note: Ships direct from manufacturer
  • More Information
    CNC Part Number UEM-IC521CA-015
    Price $848.63
    Manufacturer's Part Number IC521CA-015
    Brands Icon
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Chevy LS
    Bore Size 3.913
    Crankshaft Stroke 3.622
    Rod Length 6.098
    Piston Type Flat Top
    Compression Height 1.331
    Piston Material 2618 Forged
    Piston Ring Size 1.2 1.2 3.0mm
    Wrist Pin Size 0.945
    Custom Notices ⚠ PROP 65 WARNING
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