FEATURES:*Installs into the fuel line that goes from the carb to the fuel tank.
         *Once installed you open your carb main needle to a full rich setting 
          and then you can make mixture adjustments with the remote valve.     
         *Used with engines ranging in size from .025 to 1.20.                 
                                                                               
INCLUDES: One remote needle valve assembly.                                    
          Two 2-56 x 7/8" mounting bolts.                                      
          Two 2-56 nuts.                                                       
          Four washers.