BOSS Nine

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14 Pro Stock World Championships!

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  • New Kaase Big Block Ford Rear Seal

    New one-piece seal conceived for use on Ford 429-460 big-blocks; … read more…

  • Kaase Wins his 6th EMC Title

    When legendary AMSOIL Engine Masters participant Jon Kaase considered the … read more…

  • JKRE supports Race for the Wounded

    JKRE joins the Race for the Wounded program to help our wounded Veterans read more…