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    MAN Rotating Assemblies

    4340 Forged steel H-Beam connecting rods with 7/16 ARP 8740 or optional ARP 2000 cap screws

    $4,195.18

    Manley Chevrolet Big Block Rotating Assembly BBC 555 CID 4.250in Stroke 4.560in Bore -3cc

    Confirmed fitmentChevroletPulled from the manufacturer listing. Not sure about your build? Call or text 615.218.7117.
    Ships from the manufacturer. Most orders leave the warehouse in 1–3 business days. Multi-item orders may arrive in separate boxes on separate days.
    Not legal for street use in CARB states. This part is for off-road and competition use only and cannot be shipped to California and other CARB states for street-driven vehicles.
    Prop 65 warning. This product can expose you to chemicals known to the State of California to cause cancer or reproductive harm. See www.P65Warnings.ca.gov.
    SKU: T14-672078 Categories: ,

    Description

    Manley Rotating Assemblies are engineered as complete, matched systems to deliver maximum strength, balance, and performance in high-demand engines. Featuring precision-forged crankshafts, high-strength connecting rods, and premium pistons, each component is designed to work together seamlessly for optimal durability and efficiency. Tight tolerances and careful material selection ensure excellent load handling, reduced friction, and consistent performance under extreme RPM and cylinder pressure. By combining Manley’s proven rod, piston, and crank technologies into a unified package, these assemblies provide the reliability and confidence engine builders demand when pushing the limits of power.

    Features and benefits

    • 4340 Forged steel H-Beam connecting rods with 7/16 ARP 8740 or optional ARP 2000 cap screws
    • Horsepower range is 900 with the ARP 8740 and 1,500 with the optional ARP 2000 cap screws
    • 2618 Forged aluminum Platinum Series pistons with Premium Chrome Moly wrist pins
    • 4340 Forged steel crankshaft

    Additional information

    Weight 57 lbs
    Dimensions 33 × 10 × 10 in

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