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  • Chrysler Big Block 426, 440 Cam Sync Plug
    MSD
    Chrysler Big Block 426, 440 Cam Sync Plug MSD's cam sync plugs install in place of a traditional distributor to drive the oil pump and provide a cam sync signal when running a Holley EFI, or other aftermarket sequential EFI system requiring a cam sync signal.
    Part# 85231
    Free Shipping

    In Stock

    MSRP $467.95
    $373.95
    Save $94.00
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Cam Sync

MSD's Cam Sync Distributors and Sync Plugs for Chrysler engines are designed for compatibility with Holley EFI and other sequential fuel injection systems. Whether you're running a 318, 440, or an early HEMI, these precision-machined components offer reliable cam signal data, integrated Hall-effect sensors, and seamless oil pump operation—perfect for modernizing your classic Mopar's ignition system.