Kit Masters Part Number:

99278

99278

Convert to 2 Speed

    ApplicationEngine
    PeterbiltISX

    OEM Part #(s)

    989278,
    999278,
    f17-1000-111

    Rebuild Kit

    Use Kit: 14-25614-256

    Warranty

    2 year/200,000 mile

    424
    Convert to 2 Speed