Senator (30E, 30NE, C30SE) (1989 - 1994)
                
             | 
                        
                | Modification |                                                             Height | 
                                                                                Outside diameter | 
                                                                                Thread size | 
                                                
                            
                    | 3.0 C30SE |                                                                         74 mm | 
                                                                                                80 mm | 
                                                                                                3 mm | 
                                                            
                         
                    
                Senator (C26NE) (1990 - 1993)
                
             | 
            
                 | 
                     
                  | 
                        
                | Modification |                                                             Height | 
                                                                                Outside diameter | 
                                                                                Thread size | 
                                                
                            
                    | 2.6 C26NE |                                                                         74 mm | 
                                                                                                80 mm | 
                                                                                                3 mm | 
                                                            
                         
                    
                Senator (30E, 30NE) (1987 - 1992)
                
             | 
                        
                | Modification |                                                             Height | 
                                                                                Outside diameter | 
                                                                                Thread size | 
                                                
                            
                    | 3.0 30NE |                                                                         74 mm | 
                                                                                                80 mm | 
                                                                                                3 mm | 
                                                            
                         
                    
                Senator (25E) (1984 - 1990)
                
             | 
                        
                | Modification |                                                             Height | 
                                                                                Outside diameter | 
                                                                                Thread size | 
                                                
                            
                    | 2.5 25E |                                                                         74 mm | 
                                                                                                80 mm | 
                                                                                                3 mm | 
                                                            
                         
                    
                Senator (30E) (1984 - 1987)
                
             | 
            
                 | 
                     
                  | 
                        
                | Modification |                                                             Height | 
                                                                                Outside diameter | 
                                                                                Thread size | 
                                                
                            
                    | 3.0 30E |                                                                         74 mm | 
                                                                                                80 mm | 
                                                                                                3 mm |