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Arrington Forged 392 Short Block

MSRP:$5,699.00
SKU:API-HSB39264AA
Dimensions:42 x 42 x 48
Weight:350.0 lbs
Arrington Performance
Price: $5,350.00
Quantity:

The Arrington Forged 392 short block does not change the displacement of the stock 6.4L HEMI block, but upgrades the components for higher-performance applications, including forced induction. The Chrysler 6.4L HEMI is notorious for failing when pushed by a supercharger or turbocharger at 8 psi boost or more. We replace all of the non-forged moving parts with forged or matched high-performance parts, ready to rev higher, work harder, and increase overall power. Think of it as an upgrade for your car that will grow with every future modification you want to add.

Starting with this 392 short block, this customizable HEMI can be modified to come alive. By adding our custom engineered high performance cam package and our proprietary ported head package, a supercharger, increased throttle body size, cold air intake and/or long tube headers -- there is a combination that delivers the power you crave.


 

Arrington 392 Forged from Chrysler 6.4L Block

  • 392 Cubic Inch Displacement
  • Bore: 4.095
  • Stroke: 3.72 (stock size)
  • 500 Crank HP (rated)
  • Target Compression Ratio (low): 9.5 : 1
  • Target Compression Ratio (high): 11.0 : 1
  • 12 month / 12,000 mile warranty

Short block components:

  • Manley – 4340 Forged Steel Crankshaft
  • Manley – H Beam 4340 Forged Steel Connecting Rods with ARP 2000 Rod Bolts
  • Mahle -- Forged Aluminum Pistons (Arrington spec)
  • High Performance Piston Rings
  • ARP Main Studs
  • Billet Main Bearing Caps (optional)
  • Clevite H Type Main and Rod Bearings

Block inspection and prep:

  • Hot Tank Clean the Block (remove all liquid and contaminants from block & oil galleys)
  • Sonic Check Cylinder Bores
  • Measurement Verifications
  • Borescope Cavities (if required)
  • Validate Deck Surface
  • Validate Bore Centerlines
  • Hone Cylinders w/Honing Plate
  • Line Hone
  • Hand Chase Threads (if required)

Attention to detail:

  • Rotating Assembly
    • Balance Rotating Assembly (we do not depend on factory balance)
    • Micrometer Measurement Of All Bearing Surfaces
    • Hand Match Individual Bearings To Journals For Maximum Tolerances
    • Micro-polish All Bearing Surfaces (including wrist pins)
    • Hand Clearance for Stroker Kit
  • Block
    • Remove All Flashing (chamfer all 90° corners)
    • Radius Bottom Of All Cylinder Bores
    • Arrington-developed Oil System Prep
    • Other Proprietary Block Operations
 
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