Spektrum A391 Standard Digital Servo
        
          $ 4.20
        
        
          $ 14.00
        
      
      
      
        
      
      
    A lock nut securly holds the piston to the shock shaft. The delrin pistons provide a tighter tolerance to the shock bodies resulting in a better wearing part that allows the shock to work more smoothly.
 
      
        
    
    
   
      
      
        
          
            
          
          
             
      
        
    
    
   
      
      
        
          
            
          
          
             
      
        
    
    
   
      
      
        
          
            
          
          
             
      
        
    
    
   
      
      
        
          
            
          
          
             
      
        
    
    
   
      
      
        
          
            
          
          
             
      
      
        
          
            
          
          
             
      
      
        
          
            
          
          
             
      
        
    
    
   
      
      
        
          
            
          
          
             
      
      
        
          
            
          
          
             
      
        
    
    
   
      
      
        
          
            
          
          
             
      
        
    
    
   
      
      
        
          
            
          
          
             
      
        
    
    
   
      
      
        
          
            
          
          
             
      
        
    
    
  