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Eagle Eagle Chevy Small Block 400 Competition Rotating Assemblies

Eagle 12032040
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Estimated to ship directly from the manufacturer on 07/31/18
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Eagle Eagle Chevy Small Block 400 Competition Rotating Assemblies $2,079.99
Competition Rotating Assembly -
400, 2.65 Main
Stroke: 3.875
Disp. @ .040: 422
Rod Length: 6.000
Pistons: -5cc Flat Top
Rings: File Fit
Comp. Ratio 64cc/76cc: 11.3/10.0

Eagle 12032040 Details

Chevy Small Block 400 Competition Rotating Assemblies

  • 3.875" Stroke
  • 6.000" Rods
  • Forged Pistons

    Designed for Internal Balance - Flexplate/Flywheel and Balancer Not Included, Professional Machine Shop Balancing Required

  • Specifications:

    Manufacturer's Part Number:

    Eagle Chevy Small Block 400 Competition Rotating Assemblies are designed to offer the ultimate strength and reliability at affordable pricing for the most demanding applications using a Chevy 400 small block. Kits include high-quality components including an Eagle Forged 4340 Steel Crankshaft; Eagle H-Beam Rods; JE or Mahle Premium Forged Pistons; Hastings Rings; and high-performance Clevite or King Bearings.


    • 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.
    • Kits are designed for internal balance.
    • Chevy 400 standard bore size is 4.125", kits are available in standard bore, .020", .030", .040" and .060" oversizes.
    • Eagle Specialty Products reserves the right to substitute pistons due to availability.

    Items You Need
    Some parts are not legal for use in California or other states with similar laws / regulations