Kit Masters Part Number:

99127

99127

Convert to 2 Speed

    ApplicationEngine
    PeterbiltISM

    OEM Part #(s)

    05-25159-031,
    989127,
    999127

    Rebuild Kit

    Use Kit: 14-25614-256

    Warranty

    2 year/200,000 mile

    302
    Convert to 2 Speed