RBS stocks the most common alcohol Hemi/481x NGK #5962 spark plug. NGK has long been the racers choice for blown alcohol applications due to the easy to read cad plating which is critical in helping the racer understand there tune up.
Plugs are sold individual and use the 13/16" hex. Please specify how many you would like in comments.
Please use drop down as there is a discount in the amount that you buy.