Eagle Chevy Big Block 2pc Seal Street and Strip Rotating Assemblies
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EAGLEPART NUMBER: 356-18022060

Eagle Chevy Big Block 2pc Seal Street and Strip Rotating Assemblies

$1,72999
2 left in stock
ShippingShips on Sep 08, 2026
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Chevy Big Block 2pc Seal Street and Strip Rotating Assemblies
  • 4.250" Stroke
  • 6.385" Rods
  • Forged Pistons
  • Street and Strip Rotating Assembly
    Stroke: 4.250
    Disp. @ .060: 496
    Rod Length: 6.385
    Pistons: 18cc Dome
    Rings: File Fit
    Comp. Ratio 112cc/118cc/124cc: 10.7/10.2/9.7

    EAGLE SPECIALTY PRODUCTS 18022060 Features:

    Eagle Street & Strip Rotating Assemblies are the perfect alternative to reworking O.E. Parts. Eagle takes great care to select the most cost effective parts for our Street & Strip assemblies without sacrificing quality. Eagle Street & Strip assemblies are recommended for use in naturally-aspirated, pump gas, street engines.

        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
      Package Height12.0
      Package Width25.0
      Package Length30.0
      Weight70.0 PG
      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 StyleDome, with two valve reliefs
      Assembly Lubricant IncludedNo
      Piston Head Volume (Cc)-18
      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
      BalancedNo
      Piston MaterialForged aluminum
      Cam Bearings IncludedNo
      Part FitmentSemi Universal
      Plastigage IncludedNo
      Lifters IncludedNo
      Bore4.31 in (109.474 mm)
      Vendor Part Number18022060
      Package Qty1
      Package TypeEA
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