Cast Iron Hemi Blocks

We've made the best even better! Mopar Performance Hemi® engine blocks have undergone revised, updated tooling. They are machined to closer tolerances than ever, and feature increased material in the thrust area.

Just check out the features:
  • 100% CNC machined for accuracy and quality
  • Brand-new castings made from high nickel alloy cast iron
  • Thicker deck surface for improved rigidity and gasket sealing
  • Ductile iron main caps, which are cross-bolted on the 3 center caps on all the blocks
  • Stock 10.72" deck height allows for installation of all standard components
  • Machined to accept all standard production pieces, such as heads, manifolds, water pumps, tappets, cams and distributors
  • Machined and cast in various configurations to meet your specific requirements.



  • Product Image Item Name- Model Price
    426 Hemi Cast Iron Street Block Rough Bored at 4.19"

    426 Hemi Cast Iron Street Block
    Rough Bored at 4.19"

    Maintains the original 4.25" bore size while maintaining water flow between the cylinders (non siamesed) for the...
    P5153942 $3,075.00
    Sale: $2,890.50

    Add:

    426 Hemi Cast Iron Street Block Finish Bored at 4.25"

    426 Hemi Cast Iron Street Block
    Finish Bored at 4.25"

    Maintains the original 4.25" bore size while maintaining water flow between the cylinders (non siamesed) for the...
    P5155072 $3,180.00
    Sale: $2,989.20

    Add:

    426 Hemi Cast Iron Street Block No Tappet Machining

    426 Hemi Cast Iron Street Block
    No Tappet Machining

    Maintains the original 4.25" bore size while maintaining water flow between the cylinders (non siamesed) for the...
    P5153943 $3,485.00
    Sale: $3,275.90

    Add:

    426 Hemi Cast Iron Siamesed-Bore Block Rough Bored at 4.19"

    426 Hemi Cast Iron Siamesed-Bore Block
    Rough Bored at 4.19"

    The Cast Iron Siamesed-Bore 426 Hemi Blocks give engine builders the flexibility for a larger bore. These blocks can be...
    P5153942 $3,075.00
    Sale: $2,890.50

    Add:

    426 Hemi Cast Iron Siamesed-Bore Block Rough Bored at 4.498"

    426 Hemi Cast Iron Siamesed-Bore Block
    Rough Bored at 4.498"

    The Cast Iron Siamesed-Bore 426 Hemi Blocks give engine builders the flexibility for a larger bore. These blocks can be...
    P5153861 $3,075.00
    Sale: $2,890.50

    Add:
    Max: 1
    426 Hemi Cast Iron Siamese-Bore Block Raised Cam

    426 Hemi Cast Iron Siamese-Bore Block
    Raised Cam

    Rough Bored at 4.498" The Cast Iron Siamesed-Bore 426 Hemi Blocks give engine builders the flexibility for a larger...
    P5153867 $5,945.00
    Sale: $5,528.85

    Add:



    Monthly Specials For December

    Jeep Owner's Bible
    Jeep Owner's Bible
    $30.00  $27.00

    Fuel Pressure Gauge
    Fuel Pressure Gauge
    $27.37  $23.50

    Copyright © 2014 Chicago Connection
    Powered by ExtremeEngineeringProductions