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Sealed Power L2379F40 - Speed-Pro Powerforged Ford Pistons

Sealed Power#844-L2379F40

351C Stock-Type Piston, .040'' Overbore
  • Piston Dia.: 4.040''
  • Piston Top: Flat Top, 2-Valve Reliefs
  • Pressed Pin
  • Comp Ratio: 10.76:1 w/58.6cc Heads, 8.90:1 w/76.2cc Heads
  • Ring Grooves: 5/64'', 5/64'', 3/16''
  • Sold as Each

    Sealed Power L2379F40 - Speed-Pro Powerforged Ford Pistons

    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 improved heat dissipation.

    Please Note: All compression ratios are figured with a gasket thickness representative of those commonly used and are approximate.

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