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Blueprint Engines BPS4250200S

BB Chevy Cast Iron Engine Block Gen IV 2-Piece Rear Main Seal

Blueprint Engines BPS4250200S

138-BPS4250200S

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Estimated to ship directly from the manufacturer on 05/17/18
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Easy Returns
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Truck Freight: $159.00
Blueprint Engines BPS4250200S BB Chevy Cast Iron Engine Block Gen IV 2-Piece Rear Main Seal $2,099.00
Big Block Chevy Cast Iron Engine Block
  • Gen IV 2-Piece Rear Main Seal
  • 4.250" Bore
  • 9.8" Deck Height

  • Blueprint Engines BPS4250200S Details

    Cast Iron Big Block Chevy Block

  • Gen IV 9.8 Deck

    !

    Specifications for 138-BPS4250200S:
  • Material: Cast Iron
  • Deck Height: 9.800"
  • Deck Thickness: .700" minimum
  • Bore Size: 4.250"
  • Max. Bore: 4.625"
  • Cylinder Wall Configuration: Siamese
  • Cylinder Wall Thickness: .300"
  • Main Caps: Ductile Iron, 4 bolt splayed
  • Main Bearings: Standard Chevy
  • Main Bearing Bore: 2.9370" - 2.9380"
  • Crank Clearance: 4.375" for 9.800" deck
  • Rear Main Type: 2-Piece Rear Main Seal
  • Camshaft Location: Stock
  • Cam Bearings: Standard Chevy
  • Cam Drive: Timing Chain, Gear Drive and Belt Drive
  • Cam Plug: Standard BBC, 2.215" diameter
  • Timing Cover Pattern: Gen IV (10-bolt)
  • Lifter Bores: Gen V/VI, Will Accept Link Bar
  • Freeze Plugs: Standard 1 5/8" (Not included)
  • Lubrication: Main Priority Oiling, Wet or Dry Sump
  • Oil Filter Boss: Integral mount for spin-on filter
  • Oil Cooler Holes: Integral to block
  • Oil Pan Rail: Standard Big Block Chevy 2-Piece Rear Main Seal Bolt Pattern
  • Fuel Pump Boss: Yes
  • Fuel Pump Pushrod: Standard Big Block Chevy
  • Starter: Standard location
  • Motor Mounts: Front and side
  • Stud and Bolt Holes: Blind tapped to prevent leaks
  • Head Bolt Pattern: Standard Big Block Chevy
  • Inside Head Bosses: Yes
  • Torque Specs: All 1/2" bolts 105 ft/lbs
  • Clutch Linkage Boss: Yes
  • Weight: Approximately 275 lbs

  • Specifications:

    Rear Main Seal Style
    2-piece
    Cam Bearings Included
    No
    Cylinder Bore as Shipped (in.)
    4.24
    Cylinder Bore Diameter (in.)
    4.25
    Deck Height (in.)
    9.8
    Engine Block Material
    Cast iron
    Engine Block Style
    Stock/OEM standard deck
    Engine Block Weight (lbs.)
    275
    Finished Cylinder Bores
    No
    Freeze Plugs Included
    No
    Main Bearings Included
    No
    Main Bolt Style
    4-bolt
    Main Cap Fasteners Included
    Yes
    Main Cap Material
    Ductile iron
    Main Caps Included
    Yes
    Main Journal Type
    454 mains
    Quantity
    Sold individually
    Raised Cam Location
    No
    Manufacturer's Part Number:
    BPS4250200S

    The Blueprint Engines Big Block Chevy Cast Iron Blocks are loaded with engineering and design features including ductile iron 4-bolt splayed main caps, main priority oiling, a mechanical fuel pump boss, clutch linkage boss and Gen IV or Gen V/VI compatibility. They are a perfect foundation for building horsepower for street, bracket racing and marine use! !

    Shared Specifications:
  • Material: Cast Iron
  • Available Deck Heights: 9.800" or 10.200"
  • Deck Thickness: .700" minimum
  • Available Bores: 4.250", 4.500" and 4.600"
  • Main Caps: Ductile Iron, 4 bolt splayed
  • Main Bearings: Standard Chevy
  • Main Bearing Bore: 2.9370" - 2.9380"
  • Crank Clearance: 4.375" for 9.800" deck or 4.750" for 10.200" deck
  • Available Rear Main Types: 1-piece or 2-piece rear main seal
  • Camshaft Location: Stock
  • Cam Bearings: Standard Chevy
  • Cam Drive: Timing Chain, Gear Drive and Belt Drive
  • Cam Plug: Standard BBC, 2.215" diameter
  • Available Timing Cover Patterns: Gen IV (10-bolt) or Gen V/VI (6-bolt)
  • Lifter Bores: Gen V/VI, Will Accept Link Bar
  • Freeze Plugs: Standard 1 5/8" (Not included)
  • Lubrication: Main Priority Oiling, Wet or Dry Sump
  • Oil Filter Boss: Integral mount for spin-on filter
  • Oil Cooler Holes: Integral to block
  • Oil Pan Rail:Standard Big Block Chevy Bolt Pattern
  • Fuel Pump Boss: Yes
  • Fuel Pump Pushrod: Standard Big Block Chevy
  • Starter: Standard location
  • Motor Mounts: Front and side
  • Stud and Bolt Holes: Blind tapped to prevent leaks
  • Head Bolt Pattern: Standard Big Block Chevy
  • Inside Head Bosses: Yes
  • Torque Specs: All 1/2" bolts 105 ft/lbs
  • Clutch Linkage Boss: Yes
  • Weight: Approximately 275 lbs

  • Items You Need
    Some parts are not legal for use in California or other states with similar laws / regulations