Speed-Pro Cast Pistons


Sealed Power
Speed-Pro Cast Pistons

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The Speed-Pro 345NP line of cast aluminum pistons are an excellent low-cost choice for most street and strip applications. They have approximately a 10.2:1 compression ratio with 64cc combustion chamber. 345NP pistons are available for standard and oversized bore sizes.
AMC 360 Pistons
  844-362NP30
Cast Piston
  • 4.110 Bore
  • Dish, w/ 4 Valve Reliefs
  • Ring Groves: 5/64", 5/64", 3/16"
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    		• $44.99
    Ships
    Chevy 350 Pistons

    		844-345NP30
    		+.030 Piston
  • 4.030 Bore
  • Flat Top
  • 10.2:1 compression w/64CC
  • Ring Groves: 5/64",5/64",3/16"
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    Fits Applications
    		• $15.99
    		To order this item contact Customer Service at 1-800-345-4545.
    Chevy 400 Pistons
      844-400AP
    		Cast Piston
  • 4.125 Bore
  • Dish, w/ no valve reliefs
  • Ring Groves: 5/64", 5/64", 3/16"
    More info on Sealed Power 400AP

    Fits Applications
    		• $39.99
    Ships
    02/22/12
    Chevy 454 Pistons
      844-454-NP-30
    		+.030 Piston
  • 3.766" Bore
  • Dish, w/ no valve reliefs
  • Ring Groves: 5/64 in. x 5/64 in. x 3/16 in.
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    		• $25.99
    Ships
    02/22/12
    Ford 289/302 Pistons

    		844-273AP
    		Cast Piston
  • 4.000 Bore
  • Flat Top w/ 4 valve reliefs
  • Ring Groves: 5/64", 5/64", 3/16"
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    Fits Applications
    		• $19.99
    Ships
    02/22/12
    Pontiac 400 Pistons
      844-411NP30
    		Cast Piston
  • 4.150 Bore
  • Flat Top
  • Ring Groves: 5/64", 5/64", 3/16"
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    Fits Applications
    		• $44.99
    Ships
    02/22/12