Manufacturer Part Number: 
                310-2510-475MX
                
            
                            
                            
                            
                            
                                
                                
                            
                            
            
                        
                    -Integra 10"MX (2 5/8"ID), 475LB Spring - 310-2510-475MX
Integra 10"MX (2 5/8"ID), 475LB Spring - 310-2510-475MX