Small Block Chevy Street & Strip Rotating Assembly [357 ci, 1 Piece Rear Main Seal]
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EAGLEPART NUMBER: 356-B15402L04053

Small Block Chevy Street & Strip Rotating Assembly [357 ci, 1 Piece Rear Main Seal]

$1,16399
ShippingShips on 09/15/2026
Lowest PriceLowest Price Guarantee

Chevy 350 Small Block 1pc Seal Balanced Rotating Assemblies
  • 3.480" Stroke
  • 5.700" Rods
  • Hypereutectic Pistons
  • O.E. Balanced (Internal Front/External Rear)
  • Small Block Chevy Street & Strip Rotating Assembly
  • Displacement: 357 ci
  • Bore: 4.040 in.
  • Stroke: 3.480 in.
  • Connecting Rod Length: 5.700 in.
  • -7cc Flat Top Pistons
  • Balanced Assembly
  • External Balanced
  • Includes 153 Tooth Flexplate

    B15402L04053 Features:

    • Cast Crankshaft
    • 2.100 in. Rod Journals
    • KB Claimer Hypereutectic Pistons
    • Plasma-Moly Standard Gap Rings
    • King SI Connecting Rod & Main Bearings
    • 3/8 in. ARP 8740 Connecting Rod Bolts
    • For use up to 500 horsepower (HP)

    Note:

    • Balancer Not Included
    • 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 Height12.0
    Package Width24.0
    Package Length36.0
    Weight94.9 PG
    Part CategoryPerformance Parts
    Crankshaft MaterialCast steel
    Wrist Pin StylePress-fit
    Flexplate IncludedYes
    Connecting Rod Beam StyleI-beam
    Piston StyleFlat top, with four valve reliefs
    Flywheel IncludedNo
    Piston Head Volume (Cc)-7
    Gaskets IncludedNo
    Rear Main Seal Style1-piece
    Crankshaft IncludedNo
    Piston Rings IncludedYes
    Actual Engine Cid357
    Engine Stroke3.48 in (88.392 mm)
    Connecting Rod MaterialForged 5140 steel
    Pistons IncludedYes
    Harmonic Balancer IncludedNo
    QuantitySold as a kit
    Main Bearings IncludedYes
    Engine BalanceExternal
    Rod Bearings IncludedYes
    Connecting Rods IncludedYes
    Camshaft IncludedNo
    Timing Chain And Gears IncludedNo
    BalancedYes
    Piston MaterialHypereutectic
    Cam Bearings IncludedNo
    Part FitmentSemi Universal
    Plastigage IncludedNo
    Lifters IncludedNo
    Bore4.04 in (102.6 mm)
    Vendor Part NumberB15402L04053
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

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