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    Hilborn #77 Rotator Spool- Small Engines- Turbo, a

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      Purchase Hilborn #77 Rotator Spool- Small Engines- Turbo, a

      SKU: HIL-F601A-77
      Hilborn #77 Rotator Spool- Small Engines- Turbo, and Race Savers

      $55.00

       



      Barrel (Metering) Valve Rotator Spool  #77

      Used on Race Saver Sprints to help off corners -   305 Race Saver

       

       

      .573” Dia    1.762”  long    shaft  .309”  

      Factory Hilborn rotator spool

      This fits all Hilborn barrel (metering) valves

      #77 spool- Small idle ramp 

      Works well for turbo charged engines and small engines 150-350  cu. in.

      .186 " wide ramp


      Allows for lean idle and then comes on quickly about 2500 RPM.