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SRP 139831

Forged High Compression Dome Piston Big Block Chevy 489ci with 4.280" Bore

SRP 139831
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867-139831

made in usa
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Ships 03/09/17 if Ordered Today
SRP 139831 Forged High Compression Dome Piston Big Block Chevy 489ci with 4.280" Bore $651.36
Forged High Compression Dome Piston
  • Big Block Chevy 489ci
  • Bore: 4.280"
  • Stroke: 4.250"
  • Weight: 574 Grams
  • Rod Length: 6.385"
  • Head Volume: +43.0cc
  • Compression Height: 1.270"
  • 8/pkg

  • SRP 139831 Details

    Big Block Chevy

  • 489ci

    Compression Ratio:

  • 112cc - 13.8:1
  • 118cc - 12.7:1
  • 124cc - 11.8:1

  • Specifications:

    Manufacturer's Part Number:
    139831

    Hollow lightweight smooth-flowing dome and radius valve reliefs for optimum flame travel. Non-silicon alloy for superior strength in high cylinder pressure applications. .990'' x 2.930'' x .150'' straight wall carbon steel wristpin (150g) included. 1/16, 1/16, 3/16'' ring grooves.

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