Alternate Products

$5.30
Classic Mini spark plug for aluminum cylinder head
If you are fortunate enough to be using one of our great aluminum cylinder heads then you will know that one of the design features of the head it that by using these special smaller diameter spark plugs the internal water jacket flows completely around the plug. This is a tremendous benefit in keeping the combustion under control while maintaining engine temperatures. The heat range of this plug is ideal for every day driving with standard compression engines. The heat range of this plug is the same as an Autolite 4164. For Aluminum cylinder head C-AHT45 only.
If you are fortunate enough to be using one of our great aluminum cylinder heads then you will know that one of the design features of the head it that by using these special smaller diameter spark plugs the internal water jacket flows completely around the plug. This is a tremendous benefit in keeping the combustion under control while maintaining engine temperatures. The heat range of this plug is ideal for every day driving with standard compression engines. The heat range of this plug is the same as an Autolite 4164. For Aluminum cylinder head C-AHT45 only.
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