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  • Main Body, Holley® 4150 Ultra HP Series - Bare

    HOLLEY® 4150 ULTRA HP SERIES MAIN BODY - BARE

    Lightweight Aluminum Main Body Approximately 38% Lighter Than Standard HP Zinc Main Body

    Air bleeds moved outward to allow a smoother transition of airflow from the top of the carburetor into the venturi. Integrated idle bypass valve eliminates the need for holes in throttle plates and allows for proper adjustment of idle while maintaining correct throttle plate to transfer slot relationship. Helps maintain good idle. BLP only stocks the shiny vibratory polished versions.

    DESIGN FEATURES:

  • Air bleeds moved outward to allow a smoother transition of airflow from the top of the carburetor into the Venturi
  • Integrated idle bypass valve eliminates the need for holes in throttle plates and allows for proper adjustment of idle while maintaining correct throttle plate to transfer slot relationship. Helps maintain good idle control when using radical camshafts
  • All unnecessary mounting bosses removed for a smoother, cleaner appearance
  • Cast in Holley® HP logo for easy identification by race sanctioning bodies
  • Available in 600, 650, 750, 850 and true 950 CFM
  • Available tumble polished


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