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Eagle Eagle Chevy Small Block 1pc Seal Balanced Street and Strip Rotating Assemblies

Eagle B13054L04053
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Eagle Eagle Chevy Small Block 1pc Seal Balanced Street and Strip Rotating Assemblies $1,218.99
Street and Strip Rotating Assembly -
350 1pc Internal
Stroke: 3.750
Disp. @ .040: 385
Rod Length: 5.700
Pistons: -18cc Dish
Rings: Standard
Comp. Ratio 58cc/64cc: 10.3/9.7

Eagle B13054L04053 Details

Chevy 350 Small Block 1pc Seal Balanced Rotating Assemblies

  • 3.750" Stroke
  • 5.700" Rods
  • Hypereutectic Pistons
  • Internally Balanced

    Internal balance - includes a 153 tooth Automatic transmission flexplate. If you require the same kit with a 168 tooth flexplate, order part number - 356-B13054L04068. The factory internal balance dampner and internal balance flexplate or flywheel can be used or if you require a Manual transmission flywheel or different dampner, new components will need to be purchased separately. From the factory 1-piece rear main seal small block Chevy 305, 350, LT1 and Vortec engines are balanced internally in the front and externally in the rear. When building these engines with an internal or external balance Eagle rotating assembly the balance is changed. This kit can be used with the 1992-97 LT1 engine by re-using the factory hub and dampner or an aftermarket equivalent, not included.

  • Specifications:

    Manufacturer's Part Number:

    These rotating assemblies are designed for 1986-Up small block Chevy with 1-piece rear main seals. They offer affordable performance and reliability for engines making less than 500 horsepower. Kits include an Eagle Cast Steel Crankshaft; Eagle "SIR" I-Beam Rods; KB Hypereutectic, SRP, or Mahle Forged Pistons; Hastings Rings; and 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 available with OE (internal front/external rear), internal, or external balance. Click "More info" below for details.
    • Chevy 305 standard bore size is 3.736". Kits available in standard bore or .020", .030", .040", and .060" oversizes.
    • Chevy 350 standard bore size is 4.000". Kits available in standard bore or .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