FREE SHIPPING & HANDLING!*                           Order by 11 PM EST for Same Day Shipping!

Speed-Pro Powerforged Ford Pistons


Sealed Power
Speed-Pro Powerforged Ford Pistons

Product images may differ from actual product appearance.

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.


19 Products
Ford Stock-Type Pistons

844-L2291F30
390ci Stock-Type Piston, .030'' Overbore
  • Piston Dia.: 4.080''
  • Piston Top: Flat Top, 4-Valve Reliefs
  • Pressed or Floating Pin
  • Comp Ratio: 10.00:1 w/67.1cc Heads, 9.91:1 w/68.0cc Heads
  • Ring Grooves: 5/64'', 3/32'', 3/16''
  • Sold as Each
  • $45.99
    Ships

    844-L2291F40
    390ci Stock-Type Piston, .040'' Overbore
  • Piston Dia.: 4.090''
  • Piston Top: Flat Top, 4-Valve Reliefs
  • Pressed or Floating Pin
  • Comp Ratio: 10.00:1 w/67.1cc Heads, 9.91:1 w/68.0cc Heads
  • Ring Grooves: 5/64'', 3/32'', 3/16''
  • Sold as Each
  • $51.99
    Order Today Ships 08/06/14

    844-L2303NF30
    428ci Stock-Type Piston, .030'' Overbore
  • Piston Dia.: 4.160''
  • Piston Top: -10.3cc Dish, 4-Valve Reliefs
  • Floating Pin
  • Comp Ratio: 10.66:1 w/68cc Heads, 10.07:1 w/74cc Heads
  • Ring Grooves: 5/64'', 5/64'', 3/16''
  • Sold as Each
  • $59.99
    Order Today Ships 08/06/14

    844-L2366F30
    429ci Stock-Type Piston, .030'' Overbore
  • Piston Dia.: 4.390''
  • Piston Top: Flat Top
  • Pressed or Floating Pin
  • Comp Ratio: 11.10:1 w/72cc Heads, 8.87:1 w/97cc Heads
  • Ring Grooves: 5/64'', 5/64'', 3/16''
  • Sold as Each
  • Was: $62.99
    Now: $59.99
    Ships

    844-L2379F30
    351C Stock-Type Piston, .030'' Overbore
  • Piston Dia.: 4.030''
  • 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
  • Was: $63.99
    Now: $35.99
    Ships
      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
  • $35.99
    Order Today Ships 08/06/14

    844-L2404F30
    460ci Stock-Type Piston, .030'' Overbore
  • Piston Dia.: 4.390''
  • Piston Top: -22cc Dish
  • Pressed Pin
  • Comp Ratio: 9.79:1 w/72cc Heads, 8.01:1 w/97cc Heads
  • Ring Grooves: 5/64'', 5/64'', 3/16''
  • Sold as Each
  • $49.99
    Order Today Ships 08/06/14

    844-L2404F60
    460ci Stock-Type Piston, .060'' Overbore
  • Piston Dia.: 4.420''
  • Piston Top: -22cc Dish
  • Pressed Pin
  • Comp Ratio: 9.79:1 w/72cc Heads, 8.01:1 w/97cc Heads
  • Ring Grooves: 5/64'', 5/64'', 3/16''
  • Sold as Each
  • $49.99
    Ships

    844-L2443NF30
    460ci Race Piston, .030'' Overbore
  • Piston Dia.: 4.390''
  • Piston Top: 12.1cc Dome
  • Pressed or Floating Pin
  • Comp Ratio: 10.55:1 w/92cc Heads, 10.09:1 w/97cc Heads
  • Ring Grooves: 5/64'', 5/64'', 3/16''
  • $61.99
    Ships

    844-L2446F30
    351W Stock-Type Piston, .030'' Overbore
  • Piston Dia.: 4.030''
  • Piston Top: -13.2cc Dish
  • Pressed Pin
  • Comp Ratio: 9.30:1 w/60.4cc Heads, 9.08:1 w/69cc Heads
  • Ring Grooves: 5/64'', 5/64'', 3/16''
  • Sold as Each
  • $47.99
    Order Today Ships 08/06/14

    844-L2446F40
    351W Stock-Type Piston, .040'' Overbore
  • Piston Dia.: 4.040''
  • Piston Top: -13.2cc Dish
  • Pressed Pin
  • Comp Ratio: 9.30:1 w/60.4cc Heads, 9.08:1 w/69cc Heads
  • Ring Grooves: 1/16'', 1/16'', 3/16''
  • Sold as Each
  • $47.99
    Order Today Ships 08/06/14

    844-L2482F
    SB-Ford
  • Piston Dia.: 4.000''
  • Piston Top: -2.7, Flat 4-Valve Reliefs
  • Pressed Pin
  • Ring Grooves: 5/64'', 5/64'', 3/16''
  • $34.99
    Order Today Ships 08/06/14

    844-L2482F20
    SB-Ford
  • Piston Dia.: 4.000'', .020 Overbore
  • Piston Top: -2.7, Flat 4-Valve Reliefs
  • Pressed Pin
  • Ring Grooves: 5/64'', 5/64'', 3/16''
  • $34.99
    Order Today Ships 08/06/14

    844-L2482F30
    302ci Stock-Type Piston, .030'' Overbore
  • Piston Dia.: 4.030''
  • Piston Top: -2.7cc Dish, 4-Valve Reliefs
  • Pressed Pin
  • Comp Ratio: 9.42:1 w/60.4cc Heads, 8.55:1 w/69cc Heads
  • Ring Grooves: 5/64'', 5/64'', 3/16''
  • Sold as Each
  • Was: $63.99
    Now: $34.99
    Order Today Ships 08/13/14

    844-L2482F40
    302ci Stock-Type Piston, .040'' Overbore
  • Piston Dia.: 4.040''
  • Piston Top: -2.7cc Dish, 4-Valve Reliefs
  • Pressed Pin
  • Comp Ratio: 9.42:1 w/60.4cc Heads, 8.55:1 w/69cc Heads
  • Ring Grooves: 5/64'', 5/64'', 3/16''
  • Sold as Each
  • $34.99
    Order Today Ships 08/06/14

    844-L2488F40
    1985-87 5.0L HO Stock-Type Piston, .040'' Overbore
  • Piston Dia.: 4.040''
  • Piston Top: Flat Top, 4-Valve Reliefs
  • Pressed Pin
  • Comp Ratio: 10.3:1 w/54.5cc Heads, 8.48:1 w/69cc Heads
  • Ring Grooves: 1.5mm, 1.5mm, 4.0mm
  • Sold as Each
  • $37.99
    Order Today Ships 08/06/14

    844-WL2379F
    351C Stock-Type Piston, .000'' Overbore
  • Piston Dia.: 4.000''
  • Piston Top: Flat Top, 2-Valve Reliefs
  • Pressed Pin
  • Comp Ratio: 10.63:1 w/58.6cc Heads, 8.79:1 w/76.2cc Heads
  • Ring Grooves: 5/64'', 5/64'', 3/16''
  • Sold as Each
  • $66.99
    Order Today Ships 08/06/14

    844-WL2443NF30
    429ci - 460ci Stock-Type Piston, .030'' Overbore
  • Piston Dia.: 4.390''
  • Piston Top: 12.1cc Dish, 4-Valve Reliefs
  • Pressed or Floating Pin
  • Ring Grooves: 5/64'', 5/64'', 3/16''
  • Sold as Each
  • $68.99
    Order Today Ships 08/06/14
      844-WL2482F30
    302ci Stock-Type Piston, .030'' Overbore
  • Piston Dia.: 4.030''
  • Piston Top: +2.7cc Dish, Flat w/4-Valve Reliefs
  • Press-fit Pin
  • Ring Grooves: 5/64'', 5/64'', 3/16''
  • DurOshield® coated piston skirt
  • Sold as Each
  • $49.99
    Order Today Ships 08/06/14

    19 Products