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SRP Forged Flat Top Piston Big Block Chevy 489ci with 4.280" Bore

SRP 142979
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SRP Forged Flat Top Piston Big Block Chevy 489ci with 4.280" Bore $605.15
Forged Flat Top Piston
  • Big Block Chevy 489ci
  • Bore: 4.280"
  • Stroke: 4.250"
  • Weight: 520 Grams
  • Rod Length: 6.385"
  • Head Volume: -3.0cc
  • Compression Height: 1.270"
  • 8/pkg

  • SRP 142979 Details

    Big Block Chevy

  • 489ci

    Compression Ratio:

  • 106cc - 9.4:1
  • 112cc - 9.0:1
  • 118cc - 8.6:1
  • 124cc - 8.3:1

  • Specifications:

    Manufacturer's Part Number:

    Ideal for street/strip and marine applications. Symmetrical valve reliefs for universal installation. High silicon alloy for tighter piston to wall clearance. Lower ring lands and thicker crown for increased durability. Great for light duty nitrous or forced induction. .990'' x 2.930'' x .150'' straight wall carbon steel wristpin (150g) included. 1/16'' x 1/16'' x 3/16'' ring grooves.

    Some parts are not legal for use in California or other states with similar laws / regulations