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Arrington 426 Crate Engine

Stock
MSRP:$20,300.00
SKU:API-HCT426BA
Dimensions:42 x 42 x 48
Weight:600.0 lbs
Arrington Performance
Price: $18,500.00
CALL TO ORDER
The Arrington 6.4L-based 426 HEMI Stroker is built entirely on forged components and can be used naturally aspirated or boosted in applications up to 1000 HP.

Other displacements are available based on the 6.4L block, including forging the 6.4L/392 engine without increasing displacement, or expanding up to 448 cubic inches.

Note: NO CORES required -- call if you are upgrading and want credit for trading in your existing engine.


 
Arrington 426 Stroker from Chrysler 6.4L Block
  • 426 Cubic Inch Displacement
  • Bore: 4.095
  • Stroke: 4.050
  •  600 Crank HP (rated)
  • Target Compression Ratio (low):  9.5 : 1
  • Target Compression Ratio (high): 11.0 : 1
  • 3 yr. / 36,000 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

Longblock:

  • ARP Head Studs
  • Arrington Custom-ported Heads With Valve Matching
  • Melling High Performance Oil Pump
  • Camshaft and Chromoly Pushrods (Arrington spec)
  • Cometic Head Gaskets
  • Mopar OEM non-MDS Lifters

Crate engine adds:

  • Mopar OEM Balancer (ATI available)
  • Cometic Intake and Exhaust Gaskets
  • OEM Dipstick, Oil Pan, Sensors, Valve Covers, Coil Packs (custom pan available)
  • OEM Intake Manifold and Exhaust Headers (short)
  • OEM Fuel Rails (Arrington Fuel Rails optional)
  • OEM Throttle Body (larger Arrington TBs available)
  • Fuel Injectors
  • NGK Spark Plugs
 
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