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Sealed Power H555CP40

Hypereutectic Piston 351ci Cleveland +040

Sealed Power H555CP40

844-H555CP40

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Sealed Power H555CP40 Hypereutectic Piston 351ci Cleveland +040 $47.99
Hypereutectic Piston
  • Ford 351ci 5.8L Cleveland 1970-1974
  • 4.040" Bore (+.040")
  • Flat Top w/2 Valve Reliefs
  • 1/pkg.

  • Sealed Power H555CP40 Details

    Small Block Ford

    Technical Specs:
  • Material: Hypereutectic
  • Bore: 4.040'' (102.616mm)
  • Piston Top: -2.0cc Flat Top w/2 Valve Reliefs
  • Compression Height: 1.645"
  • Rod Length: N/A
  • Stroke: 3.500"
  • Compression Ring Groove: 5/64"
  • Second Ring Groove: 5/64"
  • Oil Ring Groove Width: 3/16"
  • Full Length: N/A
  • Pin Size: 0.9122" O.D. (23.169mm)
  • Pin Type: Press-Fit
  • Skirt Type: DUROSHIELD Coated
  • Piston Skirt Clearance: 0.0010"
  • Notes: Stock Replacement; Must use 96 & higher octane premium fuel. Use Piston Ring p/n 844-E251X40 Standard Iron Set; p/n 844-E251K40 Premium Moly Set; p/n 844-E251KC40 Premium Chrome Set (Rings Not Included)

  • Specifications:

    Manufacturer's Part Number:
    BSEH555CP40

    For street, bracket racing, and oval track applications, these aluminum hypereutectic pistons feature an antifriction skirt coating that is highly resistant to scuffing and wear. They operate with tight bore clearances and work perfectly with normal ring end gaps.
    Note: All compression ratios are approximate and figured with a gasket thickness representative of those commonly used.

    Features:
  • Helps improve cylinder sealing for less blow-by
  • Retains standard ring gaps in top groove
  • DUROSHIELD skirt-coated piston
  • Moly-graphite coating extends engine life
  • Reduces friction for higher fuel economy
  • Prevents damage from inadequate lubrication on startup

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