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Sealed Power LW2617NF40

383ci Performance Piston, .040" Overbore Piston Dia.: 4.040"

Sealed Power LW2617NF40

844-LW2617NF40

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Estimated ship date 08/30/17 if Ordered Today
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Sealed Power LW2617NF40 383ci Performance Piston, .040" Overbore Piston Dia.: 4.040" $77.99
383ci Performance Piston, .040'' Overbore
  • Piston Dia.: 4.040''
  • Dish w/4 relief valves
  • Press or Floating Pin
  • Comp Ratio: 9.69:1 w/58cc Head,8.25:1 w/76cc Head
  • Ring Grooves: 1.5mm, 1.5mm, 3.0mm
  • 446 Grams
  • 6.0" Rod
  • Sold Each

  • Speed-Pro developed Powerforged Pistons, and set the pace in powerforged technology. The high silicon VMS-75 alloy is found exclusively in pistons "powerforged" by Speed-Pro. Up to 3,000 tons of force forges aluminum slugs into the basic piston form, which creates a grain flow pattern in the structure providing excellent strength, ductility, and heat dissipation.

    Note: All compression ratios are approximate. They're figured with a gasket thickness representative of those commonly used.

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