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Blueprint Engines BP3831 - Blueprint Engines Cast Iron Crankshaft Short Block Assemblies



Blueprint Engines BP3831 - Blueprint Engines Cast Iron Crankshaft Short Block Assemblies
Blueprint Engines BP3831 - Blueprint Engines Cast Iron Crankshaft Short Block Assemblies
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JEGS Part Number: 138-BP3831

Short Block Assembly
  • Small Block Chevy 383ci Stroker
  • 2-Piece Rear Main Seal
  • 4-Bolt Main Caps
  • Hypereutectic Dome Top Pistons
  • 12.44:1 Compression Ratio with 64cc Combustion Chamber Cylinder Heads & .041'' gasket
      $2,295.00
      Order Today Ships
    $159

    Blueprint Engines BP3831 Details

    Chevy - Small Block

    Approximate Compression Ratio
    58cc Chamber Not Recommended
    64cc Chamber 12.44:1
    68cc Chamber 11.81:1
    72cc Chamber 11.25:1
    76cc Chamber 10.74:1

    Rotating Assembly:

  • Hastings Moly rings
  • Keith Black hypereutectic pistons
  • Standard or 10-10 undersized journals on cast crank
  • Clevite bearings
  • Chevy 5.7'' heavy beam rods
  • Blacklight magnufluxed
  • Stress relieved and shot peened
  • Indexed and stroke corrected during grinding
  • Oil hole chamfered for improved flow
  • Super ''micro-polish'' for superior finish

  • Blueprint Engines Cast Iron Crankshaft Short Block Assemblies

    Blueprint Engines Short Block Assemblies are a great basis for a drivable and reliable high performance engine. All rotating assemblies are balanced within 2 grams on a computerized balancer.

    Features:
  • Cast Iron Crankshaft
  • Cylinder wall thickness ''sonic tested''
  • Cylinders bore angle corrected to be 90° perpendicular to crank centerline
  • Cylinder bore centerline corrected to be exactly centered over crank centerline
  • Decks machined parallel to crank centerline
  • Right and left side decks machined equal distance from crank centerline
  • Main bearing bores align honed to correct size and straightness
  • Cylinders computer honed to tolerance of 200 millionths of an inch
  • Cylinders plateau finished for virtually instant break-in
  • Screw-in oil galley plugs installed in place of soft plugs

  • Blueprint Engines BP3831

    Flywheel Included
    No
    Engine Balance
    External
    Rear Main Seal Style
    2-Piece
    Assembled
    Yes
    Connecting Rod Beam Style
    I-beam
    Crankshaft Material
    Cast steel
    Deck Height (in.)
    9.025
    Engine Block Material
    Cast iron
    Flexplate Included
    No
    Harmonic Balancer Included
    No
    Main Bolt Style
    4-bolt
    Main Journal Type
    350 mains
    Oil Pan Included
    No
    Piston Material
    Hypereutectic aluminum
    Quantity
    Sold individually
    Short Block Piston Style
    Dome
    Timing Cover Included
    No
    Manufacturer's Part Number:
    BP3831
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