| Item | 
            Part number | 
            Description | 
          
                        
                | 
                  1                 | 
                
                  504385398                 | 
                
                  CYLINDER HEAD ASSY                                   | 
              
                            
                | 
                  2                 | 
                
                  504075442                 | 
                
                  VALVE SEAT STD.                                   | 
              
                            
                | 
                  3                 | 
                
                  504089121                 | 
                
                  STUD M8X1.25                                   | 
              
                            
                | 
                  4                 | 
                
                  504051237                 | 
                
                  THREADED PLUG DIAM=1/4"                                   | 
              
                            
                | 
                  5                 | 
                
                  504051238                 | 
                
                  THREADED PLUG DIAM=3/8"                                   | 
              
                            
                | 
                  6                 | 
                
                  504051236                 | 
                
                  THREADED PLUG DIAM=1/8"                                   | 
              
                            
                | 
                  7                 | 
                
                  504087365                 | 
                
                  DOWEL PIN                                   | 
              
                            
                | 
                  8                 | 
                
                  504113860                 | 
                
                  THREADED PLUG DIAM=1/2"                                   | 
              
                            
                | 
                  9                 | 
                
                  504238926                 | 
                
                  INLET VALVE                                   | 
              
                            
                | 
                  10                 | 
                
                  504238928                 | 
                
                  EXHAUST VALVE                                   | 
              
                            
                | 
                  11                 | 
                
                  504342503                 | 
                
                  ENGINE VALV.SPRING                                   | 
              
                            
                | 
                  12                 | 
                
                  14194670                 | 
                
                  VALVE CONE                                   | 
              
                            
                | 
                  13                 | 
                
                  500348685                 | 
                
                  SPRING CAP                                   | 
              
                            
                | 
                  14                 | 
                
                  500395378                 | 
                
                  CAP                                   | 
              
                            
                | 
                  15                 | 
                
                  504081515                 | 
                
                  CYL.HEAD STUD M15X1,5                                   | 
              
                            
                | 
                  16                 | 
                
                  504081531                 | 
                
                  CYL.HEAD STUD M12X1.5                                   | 
              
                            
                | 
                  17                 | 
                
                  504081543                 | 
                
                  CYL.HEAD STUD M8X1.25                                   | 
              
                            
                | 
                  18                 | 
                
                  504081546                 | 
                
                  CYL.HEAD STUD M8X1.25                                   | 
              
                            
                | 
                  19                 | 
                
                  504093499                 | 
                
                  CYL.HEAD GASKET SP=1,2 MM                                   | 
              
                            
                | 
                  20                 | 
                
                  504367673                 | 
                
                  ROCKER ARM                                   | 
              
                            
                | 
                  21                 | 
                
                  504113994                 | 
                
                  THREADED PLUG M14X1,5                                   | 
              
                            
                | 
                  22                 | 
                
                  99489024                 | 
                
                  SEAL GASKET dia. 26x36x1,5                                   | 
              
                            
                | 
                  23                 | 
                
                  504033677                 | 
                
                  THREADED UNION DIAM=1/4"                                   | 
              
                            
                | 
                  24                 | 
                
                  504077652                 | 
                
                  WASHER                                   | 
              
                            
                | 
                  25                 | 
                
                  504093500                 | 
                
                  CYL.HEAD GASKET SP=1,1 MM                                   | 
              
                            
                | 
                  27                 | 
                
                  500351992                 | 
                
                  HEATER PLUG                                   | 
              
                            
                | 
                  28                 | 
                
                  504053806                 | 
                
                  VALVE GUIDE +0.25                                   | 
              
                            
                | 
                  29                 | 
                
                  504053804                 | 
                
                  VALVE GUIDE +0,05 MM                                   | 
              
                            
                | 
                  30                 | 
                
                  504053805                 | 
                
                  VALVE GUIDE +0.10                                   |