Product Description
The top of each air breather cap is embossed handsomely with a raised Bowtie Emblem to compliment the genuine factory-parts appearance of the engine. 
  1" Nipple made to fit Valve Covers with 1.22" Hole
  Requires Grommet with 1.22" OD and 1" ID (Not Included)
   
                    
                 
             
                     
           
           
           
           
          