Speed-Pro Powerforged Pontiac Pistons


Sealed Power
Speed-Pro Powerforged Pontiac 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.
Sealed Power L2269F30 - Speed-Pro Powerforged Pontiac Pistons
 		844-L2269F30
395ci Stock-Type Piston, .030'' Overbore
  • Piston Dia.: 4.092''
  • Piston Top: -3cc Dish, 4-Valve Reliefs
  • Pressed Pin
  • Comp Ratio: 10.48:1 w/69cc Heads, 7.20:1 w/114cc Heads
  • Ring Grooves: 5/64'', 5/64'', 3/16''
  • Sold as Each
    		• $72.99
    Ships
    in 4 days
    Pontiac Performance Pistons
    Sealed Power L2359F30 - Speed-Pro Powerforged Pontiac Pistons
         		844-L2359F30
    		455ci Performance Pistons, Exc. Super Duty, .030'' Overbore
  • Piston Dia.: 4.181''
  • Piston Top: -6cc Dish, 4-Valve Reliefs
  • Pressed Pin
  • Comp Ratio: 11.87:1 w/69cc Heads, 8.17:1 w/114cc Heads
  • Ring Grooves: 5/64'', 1/16'', 3/16''
  • Sold as Each
    		• $43.99
    Manufacturer's
    Availability
    Date Unknown
    Sealed Power L2359F60 - Speed-Pro Powerforged Pontiac Pistons
         		844-L2359F60
    		455ci Performance Pistons, Exc. Super Duty, .060'' Overbore
  • Piston Dia.: 4.211''
  • Piston Top: -6cc Dish, 4-Valve Reliefs
  • Pressed Pin
  • Comp Ratio: 11.87:1 w/69cc Heads, 8.17:1 w/114cc Heads
  • Ring Grooves: 5/64'', 1/16'', 3/16''
  • Sold as Each
    		• $43.99
    Ships
    Monday
    Sealed Power L2359FSTD - Speed-Pro Powerforged Pontiac Pistons
         		844-L2359FSTD
    		455ci Performance Pistons, Exc. Super Duty
  • Piston Dia.: 4.211''
  • Piston Top: -6cc Dish, 4-Valve Reliefs
  • Pressed Pin
  • Comp Ratio: 11.87:1 w/69cc Heads, 8.17:1 w/114cc Heads
  • Ring Grooves: 5/64'', 1/16'', 3/16''
  • Sold as Each
    		• $89.99
    Ships
    in 4 days
    Pontiac Stock-Type Pistons
    Sealed Power L2262F30 - Speed-Pro Powerforged Pontiac Pistons
         		844-L2262F30
    		400ci Stock-Type Piston, .030'' Overbore
  • Piston Dia.: 4.150''
  • Piston Top: -6.7cc Dish, 4-Valve Reliefs
  • Pressed Pin
  • Comp Ratio: 10.24:1 w/69cc Heads, 7.16:1 w/114cc Heads
  • Ring Grooves: 5/64'', 5/64'', 3/16''
  • Sold as Each
    		• $42.99
    Ships
    in 4 days
    Sealed Power L2262F40 - Speed-Pro Powerforged Pontiac Pistons
         		844-L2262F40
    		400ci Stock-Type Piston, .040'' Overbore
  • Piston Dia.: 4.160''
  • Piston Top: -6.7cc Dish, 4-Valve Reliefs
  • Pressed Pin
  • Comp Ratio: 10.24:1 w/69cc Heads, 7.16:1 w/114cc Heads
  • Ring Grooves: 5/64'', 5/64'', 3/16''
  • Sold as Each
    		• $42.99
    Ships
    in 4 days
    Sealed Power L2262F60 - Speed-Pro Powerforged Pontiac Pistons
         		844-L2262F60
    		400ci Stock-Type Piston, .060'' Overbore
  • Piston Dia.: 4.160''
  • Piston Top: -6.7cc Dish, 4-Valve Reliefs
  • Pressed Pin
  • Comp Ratio: 10.24:1 w/69cc Heads, 7.16:1 w/114cc Heads
  • Ring Grooves: 5/64'', 5/64'', 3/16''
  • Sold as Each
    		• $42.99
    Manufacturer's
    Availability
    Date Unknown

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