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Gen 3 HEMI 6.4L Forged Long Blocks

Manufacturer: Petty's Garage
SKU: PG-426-LB-
$17,309.35
Gen 3 HEMI 6.4L Forged Long Blocks - 392 CID, 426 CID
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448 CID is only for naturally asperated engines.

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If your oil pan is aftermarket sheet metal the location is Front.

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This helps us determine what crank bearing / bushing to use.

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We recommend billet main caps for builds over 1000 HP.

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This charge is refundable if you choose to send us your rebuildable core.

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Gen 3 HEMI 6.4L Forged Long Blocks - 392 CID and 426 CID

Petty’s Garage has a complete lineup of performance HEMI engines all made in house in our state-of-the-art engine facility. Everything is precision machined on race quality engine building equipment. Our engines are built to withstand the most stressful environments imaginable. We initially test our combinations with our in-house engine dyno and calibrations staff. This ensures that our customer receive a proven engine combination that we feel comfortable putting Richard Petty’s name on.

BLOCK PREP

  • Cylinder hone with deck plate to simulate engine cylinder head torque
  • Line hone
  • Validate center lines
  • Block deburr
  • Test material thickness in critical locations
  • Check deck surface
  • Complete block cleaning
  • Block painting (HEMI orange)

HEMI LONG BLOCK COMPONENTS

  • Mahle Proprietary Pistons, 2618 alloy w/gas ports
  • Forged Steel Crankshaft
    • Mopar if Stock Displacement
    • 4340 Forged Steel Manley or Molnar if Aftermarket
  • 4340 Forged Steel Manley or Molnar Connecting Rods
  • ARP Rod Bolts
  • ARP Main Studs
  • Clevite Rod Bearings
  • Clevite Main Bearings
  • Steel Top Ring
  • Tool Steel Wrist Pin
  • Custom Grind Camshaft
  • Petty’s Garage CNC Ported Cylinder Heads
  • PSI 1511 Valve Spring Kit
  • Cometic Head Gaskets
  • ARP Head Studs
  • Non-MDS Hellcat Lifter Set
  • Custom Length Pushrods
  • Mopar Rocker Arm Shafts w/ Fasteners
  • New Mopar VVT Timing Set
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