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Blueprint Engines Big Block Chevy Cast Iron Blocks


Blueprint Engines
Blueprint Engines Big Block Chevy Cast Iron Blocks

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! Made in the USA!

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


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    138-BPS4500200S
    Big Block Chevy Cast Iron Engine Block
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  • 138-BPT4250200W
    Big Block Chevy Cast Iron Engine Block
  • Gen IV 2-Piece Rear Main Seal
  • 4.250" Bore
  • 10.2" Deck Height
  • $119
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    Order Today Ships 10/31/14

    138-BPT4500200S
    Big Block Chevy Cast Iron Engine Block
  • Gen IV 2-Piece Rear Main Seal
  • 4.500" Bore
  • 10.2" Deck Height
  • $119
    $2,049.99
    Order Today Ships 10/31/14

    138-BPT4600200S
    Big Block Chevy Cast Iron Engine Block
  • Gen IV 2-Piece Rear Main Seal
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  • 10.2" Deck Height
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    Order Today Ships 10/31/14
    Cast Iron Big Block Chevy Block
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  • 138-BPS4250100S
    Big Block Chevy Cast Iron Engine Block
  • Gen V/VI 1-Piece Rear Main Seal
  • 4.250" Bore
  • 9.8" Deck Height
  • $1,999.00
    Order Today Ships 10/31/14

    138-BPS4500100S
    Big Block Chevy Cast Iron Engine Block
  • Gen V/VI 1-Piece Rear Main Seal
  • 4.500" Bore
  • 9.8" Deck Height
  • $119
    $2,049.99
    Order Today Ships 10/31/14
    Cast Iron Big Block Chevy Block
  • Gen V/VI 10.2 Deck

  • 138-BPT4250100W
    Big Block Chevy Cast Iron Engine Block
  • Gen V/VI 1-Piece Rear Main Seal
  • 4.250" Bore
  • 10.2" Deck Height
  • $119
    $1,999.00
    Order Today Ships 10/31/14

    138-BPT4500100S
    BLBig Block Chevy Cast Iron Engine Block
  • Gen V/VI 1-Piece Rear Main Seal
  • 4.500" Bore
  • 10.2" Deck Height
  • $119
    $2,049.99
    Order Today Ships 10/31/14

    138-BPT4600100S
    Big Block Chevy Cast Iron Engine Block
  • Gen V/VI 1-Piece Rear Main Seal
  • 4.600" Bore
  • 10.2" Deck Height
  • $119
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    Order Today Ships 10/31/14

    10 Products