SPARK PLUG ADAPTORS
7/8″ to 14mm
Our spark plug adaptors for the Model A Ford are designed to convert the 7/8″ cylinder head threads down to 14mm to enable modern spark plugs to be used. They are bright zinc plated to match the spark plugs.
Price $16.10 each incl GST
18mm to 14mm
These spark plug adaptors are designed to convert any vehicle with 18mm cylinder head threads down to 14mm to enable modern spark plugs to be used. They are bright zinc plated to match the spark plugs.
Price $16.10 each incl GST
Spark plug (and adaptor) washers.
These copper “crush washers” are designed for use with spark plugs. They come in two sizes, 18mm and 7/8″
Price $2.99 each incl GST
Spark Plug Nuts
These brass spark plug nuts are designed for use with 7/8″ spark plugs.
Price $5.52 incl GST for a set of four.