Engine Rotating Assembly, Competition, Forged Crank, Forged Pistons, H-Beam Rods, Chevy, Small Block, Kit 

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Eagle Competition Rotating Assembly B12501030

 

  • Actual Engine CID
  • 406
  • Assembly Lubricant Included
  • No
  • Balanced
  • Yes
  • Bore (in)
  • 4.155 in.
  • Bore (mm)
  • 105.537mm
  • 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 Balance
  • Internal
  • Engine Stroke (in)
  • 3.750 in.
  • Gaskets Included
  • No
  • Lifters Included
  • No
  • Main Bearing Undersize (in)
  • Stock
  • Main Bearing Undersize (mm)
  • Stock
  • Main Bearings Included
  • Yes
  • Notes
  • 400 cubic inch main journal. Assembly includes file fit piston rings. Suitable up to 750 horsepower, 1500 horsepower with rod bolt upgrade.
  • Oil Pump Included
  • No
  • Piston and Ring Oversize (in)
  • 0.030 in.
  • Piston Head Volume (cc)
  • +5.00cc
  • 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.
  • Rear Main Seal Style
  • 2-piece
  • Rod Bearing Undersize (in)
  • Stock
  • Rod Bearing Undersize (mm)
  • Stock
  • Rod Bearings Included
  • Yes
  • Timing Chain and Gears Included
  • No
  • Wrist Pin Style
  • Floating




    Summit Racing Part Number: ESP-B12501030

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