Steel 27 tooth transmission stock width belt pulley has a center hole diameter of 7/8  with 19 splines.  
FITMENT
 1986 / 1990 XL 4-speedMEASURMENTS
Width: 1.291 inchesACCESSORY ITEMS
12-056616-064916-0588
          
        
      
      
        
      
      
          
        
     
   
 
  
 
    
    
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