Mopar 6.1L Hemi Aluminum Blocks - JEGS

Mopar 6.1L Hemi Aluminum Blocks


Mopar Performance
Mopar 6.1L Hemi Aluminum Blocks

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Gen III Hemi Aluminum Blocks are 100 pounds lighter than 6.1L production cast iron blocks. Lightweight aluminum improves performance in more ways than one: acceleration, braking, weight distribution, and vehicle dynamics.

  • Compatible with all Gen III 6.1L Hemi engine parts
  • Gen III Hemi dress-up parts also fit Gen III Hemi aluminum blocks
  • Completely redesigned water jackets accommodate Siamese bore
  • Lifter bores can be opened to 1.060" for a bushed-style lifter
  • Camshaft bearing support area increased to permit a 60mm roller bearing
  • Billet steel main caps with 4-bolt center caps strengthen the bottom end for severe applications
  • Crankcase clearance for 4.125" stroke crank (4.250" will fit with machining around oil drainbacks)
  • Can support a dry sump package for reduced windage and to allow more engine installation options
  • Computational Fluid Dynamics (CFD) studies have been performed to balance thermal conditions for consistent, reliable performance
  • Main bearing supports and the block's bottom end have been modified with the strength required for a forced induction 440+ ci motor
  • Additional boss in the front timing chain area for an idler, additional boss for a front gear drive, and attachments for a front motor plate



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    4 Products View All
    6.1L Aluminum Blocks

    		312-P5153897
    		Gen III Hemi 6.1L Aluminum Block
  • Finished Bore: 4.055"
    View this item
    $119
    		• $4,449.99
    Ships
    06/27/13

    		312-P5155507
    		Gen III Hemi 6.1L Aluminum Block
  • Semi-Finished Bore: 4.125"
  • Can be bored to 4.155"
    View this item
    $119
    		• $4,449.99
    Ships
    06/27/13

    		312-P5153898
    		Gen III Hemi 6.1L Aluminum Block
  • Semi-Finished Bore: 4.114"
  • Can be bored to 4.185"
    View this item
    $119
    		• $3,999.99
    Ships

    		312-P5155630
    		Gen III 6.1L Aluminum Hemi Block
  • Semi Finished Engine Builders Special
    View this item
    $119
    		• $6,319.99
    Ships
    06/27/13

    4 Products View All