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Eagle 12804

Eagle Chevy LS Competition Rotating Assemblies

Eagle 12804
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356-12804

made in usa
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Ships 12/15/16 if Ordered Today
Eagle 12804 Eagle Chevy LS Competition Rotating Assemblies $2,049.99
Competition Rotating Assembly
Stroke: 4.000
Disp. @ 3.905: 383
Rod Length: 6.125
Pistons: -2cc Flat Top
Rings: File Fit
Comp. Ratio 66cc: 11.1

Eagle 12804 Details

LS Competition Rotating Assemblies

  • 3.905" Bore
  • 66cc Heads
  • 24 Tooth Reluctor

    Internal Balance - Flexplate/Flywheel and Balancer Not Included

  • Specifications:

    Engine Balance
    Internal
    Gaskets Included
    No
    Actual Engine CID
    383
    Assembly Lubricant Included
    No
    Balanced
    No
    Bore (in.)
    3.905
    Bore (mm)
    99.187
    Cam Bearings Included
    No
    Camshaft Included
    No
    Connecting Rod Beam Style
    H-beam
    Connecting Rod Material
    Forged 4340 steel
    Connecting Rods Included
    Yes
    Crankshaft Included
    Yes
    Crankshaft Material
    Forged 4340 steel
    Engine Stroke (in.)
    4
    Lifters Included
    No
    Main Bearing Undersize (in.)
    Stock
    Main Bearing Undersize (mm)
    Stock
    Main Bearings Included
    Yes
    Oil Pump Included
    No
    Piston and Ring Oversize (in.)
    Stock
    Piston Head Volume (cc)
    2
    Piston Material
    Forged aluminum
    Piston Ring Facing Material
    Plasmamoly
    Piston Rings Included
    Yes
    Piston Style
    Flat top, with two valve reliefs
    Pistons Included
    Yes
    Plastigage Included
    No
    Quantity
    Sold as a kit
    Rod Bearing Undersize (in.)
    Stock
    Rod Bearing Undersize (mm)
    Stock
    Rod Bearings Included
    Yes
    Timing Chain and Gears Included
    No
    Wrist Pin Style
    Floating
    Rear Main Seal Style
    1-piece
    Manufacturer's Part Number:
    12804

    The Eagle Chevy LS Competition Rotating Assemblies offer ultimate performance, reliabilty and strength for engines producing up to 750 horsepower. These affordable kits include quality components including an Eagle 4340 forged steel crankshaft, Eagle H-Beam rods, Mahle or Arias pistons, Hastings rings and Clevite or King bearings!

    Notes:
  • All kits are designed for internal balance.
  • LS1 and LS6 engines feature a standard bore size of 3.900", kits are available in .005" oversize.
  • LS2, LQ4/LQ9, LY6 and L76 engines feature a standard bore size of 4.000", kits are available in .005", .010", .030" and .060" oversizes.
  • LS3/L92/L99 and LS9 engines feature a standard bore size of 4.065", kits are available in standard bore, .005" and .060" oversizes.
  • LS7 engines feature a standard bore size of 4.125", kits are available in standard bore and .030" oversize.
  • Please verify reluctor ring tooth count, bore size and cylinder head volume to ensure proper kit selection.
  • Eagle Specialty Products reserves the right to substitute pistons due to availability.

  • Does Eagle 12804 fit your vehicle?

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    • SubModel: Z28 SS
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )
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