Great Planes - ADPT KIT OS 60FP/61SF-FX/ST61

This is a Spinner Adapter Kit by Great Planes.                
                                                                               
FEATURES: Adapter kit for aluminum spinners                                    
          This steel adapter kit tightens the backplate & propeller onto the   
            engine, then using a single bolt-on design, holds & centers each   
            spinner perfectly on its baseplate.                                
          Machined for accuracy                                                
          Includes aluminum bushing, prop washer and prop nut                  
          This spinner adapter kit will fit the following engines:             
            -O.S. .60FP                                                        
            -O.S. .61 FX & .61 SF                                              
            -SuperTigre .61-.90                                                
          One year quality guarantee                                           
          Installation instructions provided on the header card                
                                                                               
INCLUDES: (1) Propeller Nut                                                    
          (1) Propeller Washer                                                 
          (1) Aluminum Backplate Bushing                                       
                                                                               
REQUIRES: 12mm Wrench To Tighten Propeller Nut                                 
          Aluminum Spinner w/Center Mounting Hole                              
          10-32 Bolt                                                           
                                                                               
SPECS:    Shaft Size:       5/16-24                                            
          Prop Nut Length:  15/16"  (24mm)                                     
          Backplate Bushing Inner Diameter: 5/16"                              
                            Outer Diameter:  3/8"