1” Holley Squarebore 4-Hole Phenolic Carburetor Spacer 
      
 
    
    
      
      
      
    Phenolic material is renowned for it’s heat insulating properties, which results in a cooler and denser fuel mixture, which in turn produces more horsepower. Suitable for Holley Squarebore Carburettors. Includes:... 
    
$56.85