B18020060 Balanced Street & Strip Assembly Chevy 454
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EAGLEPART NUMBER: 356-B18020060

B18020060 Balanced Street & Strip Assembly Chevy 454

$2,24199
ShippingShips on 09/15/2026
Lowest PriceLowest Price Guarantee

Balanced 4.250 in. Cast Crank
  • 6.385 in. I-Beam Rods
  • 7/16 in. ARP 8740 Bolts
  • Forged 4032 Mahle -3cc Flat Top 4.310 in. Pistons
  • Plasma-Moly File-Fit Rings
  • King Si Rod/Main Bearings

    Eagle B18020060 Features:

    • Balanced Street & Strip assembly
    • Displacement: 496
    • Pistons: Mahle
    • Dome Volume: -3 cc
    • Piston Alloy: 4032
    • Bore Size: 4.310 in.
    • Rings: 1.5, 1.5, 3.0mm
    • Pin Size: .990 in.
    • Built for Classic Big Block Torque and Modern Reliability

      Build serious big block power with Eagle Chevy Big Block 2pc Seal Street and Strip Rotating Assemblies, available at JEGS. Designed for performance enthusiasts who demand strength, precision, and reliability, these rotating assemblies provide the foundation for high-horsepower engine builds. Engineered by Eagle Specialty Products, the Eagle Chevy Big Block 2pc Seal Street and Strip Rotating Assemblies are ideal for street and strip applications where durability and consistent performance are critical. Whether you’re rebuilding a classic big block Chevy or upgrading for more displacement and torque, these kits deliver the core components needed for a powerful, balanced engine.

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      Performance Benefits & Key Features

      Eagle rotating assemblies are built to handle the demands of high-performance engines, offering a complete solution that typically includes a crankshaft, connecting rods, pistons, rings, and bearings. Designed for 2-piece rear main seal big block Chevy engines, these assemblies are precision-balanced to reduce vibration and improve engine longevity at higher RPMs.

      Key performance features include forged or cast steel crankshafts for increased strength, high-quality connecting rods engineered for durability under load, and performance pistons designed to optimize compression ratios and combustion efficiency. These components work together to support higher horsepower and torque output, making them suitable for builds exceeding 500+ HP depending on configuration.

      Material construction and machining accuracy are critical in rotating assemblies, and Eagle delivers with tight tolerances and high-quality finishes to ensure proper fitment and reliability. Whether you're targeting improved throttle response, increased displacement, or enhanced bottom-end strength, these assemblies provide the foundation for consistent and dependable performance in demanding environments.

      Fitment, Compatibility & Applications

      The Eagle Chevy Big Block 2pc Seal Street and Strip Rotating Assemblies are specifically designed for GM big block Chevy engines utilizing a 2-piece rear main seal configuration. This makes them an excellent choice for classic muscle cars, vintage trucks, and restoration builds that retain traditional engine architecture.

      These assemblies are ideal for street performance, drag racing, and street/strip applications where a balance of power and durability is essential. Compatible with a wide range of big block Chevy platforms, including popular engine sizes like 454 and stroker combinations, they offer flexibility for builders looking to customize displacement and performance characteristics.

      Perfect for enthusiasts working on Camaros, Chevelles, Novas, and classic GM trucks, these rotating assemblies integrate seamlessly with common aftermarket and OEM components. Whether you're building a reliable street cruiser or a weekend race car, Eagle’s engineering ensures compatibility and long-term performance.

      Backed by Eagle’s reputation for precision manufacturing and performance-driven design, these rotating assemblies are a trusted choice for serious engine builders. Explore the available options at JEGS to find the right configuration and build a big block Chevy engine that delivers power you can feel.

    Part TypeEngine Rotating Assembly Kit
    Product LineEagle Chevy Big Block 2pc Seal Street and Strip Rotating Assemblies
    BrandEAGLE
    Part CategoryPerformance Parts
    Crankshaft MaterialCast steel
    Piston And Ring Oversize0.06 in (1.5 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 single valve relief
    Assembly Lubricant IncludedNo
    Piston Head Volume (Cc)3
    Gaskets IncludedNo
    Rear Main Seal Style2-piece
    Main Bearing Undersize (In.)Stock
    Crankshaft IncludedYes
    Piston Rings IncludedYes
    Bore (Mm)109.474
    Actual Engine Cid496
    Engine Stroke4.25 in (107.95 mm)
    Connecting Rod MaterialForged 5140 steel
    Pistons IncludedYes
    Rod Bearing Undersize (In.)Stock
    QuantitySold as a kit
    Main Bearings IncludedYes
    Engine BalanceExternal
    Rod Bearings IncludedYes
    Connecting Rods IncludedYes
    Oil Pump IncludedNo
    Camshaft IncludedNo
    Timing Chain And Gears IncludedNo
    BalancedYes
    Piston MaterialForged aluminum
    Cam Bearings IncludedNo
    Part FitmentSemi Universal
    Plastigage IncludedNo
    Lifters IncludedNo
    Bore4.31 in (109.474 mm)
    Vendor Part NumberB18020060
    Package Qty1
    Package TypeEA
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    Some parts are not legal for use in California or other states with similar laws / regulations
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