Eagle Chevy Small Block 1pc Seal Balanced Street and Strip Rotating Assemblies
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EAGLEPART NUMBER: 356-B13101L03053

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

$1,67899
ShippingShips on 09/16/2026
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Chevy 305 Small Block 1pc Seal Balanced Rotating Assemblies
  • 3.480" Stroke
  • 5.700" Rods
  • Hypereutectic Pistons
  • O.E. Balanced (Internal Front/External Rear)
    • Street and Strip Rotating Assembly -
      305 1pc O.E.
      Stroke: 3.480
      Disp. @ .030: 310
      Rod Length: 5.700
      Pistons: -5cc Flat Top
      Rings: Standard
      Comp. Ratio 58cc/64cc: 10.0/9.3

      O.E. balance - includes a 153 tooth Automatic transmission flexplate. If you require the same kit with a 168 tooth flexplate, order part number - 356-B13101L03068. The factory internal balance dampner and external 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.

      Performance Small Block Chevy Rotating Assemblies

      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. Kits available with internal or external balance.

      Show MoreAssembly 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 in a standard bore or .020 in., .030 in., .040 in., and .060 in. oversized. Eagle Specialty Products reserves the right to substitute pistons due to availability.
    Part TypeEngine Rotating Assembly Kit
    Product LineEagle SBC 1pc Seal Balanced Street and Strip Rotating Assemblies
    BrandEAGLE
    Package Height13.0
    Package Width21.0
    Package Length30.0
    Weight95.0 PG
    Part CategoryPerformance Parts
    Crankshaft MaterialCast steel
    Piston And Ring Oversize0.03 in (0.8 mm)
    Main Bearing Undersize (Mm)Stock
    Wrist Pin StyleFloating
    Connecting Rod Beam StyleI-beam
    Rod Bearing Undersize (Mm)Stock
    Piston Ring Facing MaterialPlasmamoly
    Piston StyleFlat top, with two valve reliefs
    Assembly Lubricant IncludedNo
    Piston Head Volume (Cc)5
    Gaskets IncludedNo
    Rear Main Seal Style1-piece
    Main Bearing Undersize (In.)Stock
    Crankshaft IncludedYes
    Piston Rings IncludedYes
    Bore (Mm)95.656
    Actual Engine Cid310
    Engine Stroke3.48 in (88.392 mm)
    Connecting Rod MaterialForged 5140 steel
    Pistons IncludedYes
    Rod Bearing Undersize (In.)Stock
    QuantitySold as a kit
    Main Bearings IncludedYes
    Engine BalanceInternal/External
    Rod Bearings IncludedYes
    Connecting Rods IncludedYes
    Oil Pump IncludedNo
    Camshaft IncludedNo
    Timing Chain And Gears IncludedNo
    BalancedYes
    Piston MaterialHypereutectic aluminum
    Cam Bearings IncludedNo
    Part FitmentSemi Universal
    Plastigage IncludedNo
    Lifters IncludedNo
    Bore3.766 in (95.656 mm)
    Vendor Part NumberB13101L03053
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

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