Eagle Chevy LS Competition Rotating Assemblies
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EAGLEPART NUMBER: 356-129384070

Eagle Chevy LS Competition Rotating Assemblies

$2,93999
ShippingShips on 11/18/2026
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LS Competition Rotating Assemblies
  • 4.070" Bore
  • 72cc L92 Heads
  • 24 Tooth Reluctor
    • Competition Rotating Assembly
      Stroke: 4.000
      Disp. @ 4.070: 416
      Rod Length: 6.125
      Pistons: -4cc Flat Top
      Rings: File Fit
      Comp. Ratio 72cc: 11.1

      Internal Balance - Flexplate/Flywheel and Balancer Not Included

    The Eagle Chevy LS Competition Rotating Assemblies offer ultimate performance, reliability 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!

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    Notes:

    • Assembly part numbers that begin with “B” are balanced by Eagle and require no additional balancing.  Part numbers that do not begin with “B” are unbalanced assemblies and must be balanced by a qualified machine shop before use.
    • 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.
    Part TypeEngine Rotating Assembly Kit
    Product LineEagle Chevy LS Competition Rotating Assemblies
    BrandEAGLE
    Part CategoryPerformance Parts
    Part FitmentSemi Universal
    Vendor Part Number129384070
    Package Qty1
    Package TypeEA
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    Some parts are not legal for use in California or other states with similar laws / regulations
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