Champion N7 Spark Plug Standard

The Champion N7 is an original 1950s Champion spark plug from our old stock new and unused, with some surface rust from storage, and a detachable terminal.Please note: Champion later made an N7 with a silver body, which is a colder plug don't confuse the two. This earlier N7 sits at 4 on the NGK heat range.A Champion nickel-alloy standard spark plug built to the manufacturer's original specification. Champion plugs have been fitted as original equipment for over a century, and this standard type gives dependable ignition, straightforward servicing and easy gapping. For everyday use, current equivalents are shown in the alternatives below.Heat (NGK scale) is our conversion of the Champion heat number onto the NGK scale, so plugs from different makers can be compared on one hot-to-cold ladder. Makers' cross-references can be half a heat range apart, and plugs have moved up or down the scale over the years where no direct replacement exists, so treat it as a guide and check the recommendation for your vehicle.