Champion D23 Spark Plug Standard

The Champion D23 is part of the Champion Standard range.A Champion nickel-alloy spark plug built to the manufacturer's original specification for this application. Champion plugs have been fitted as original equipment for over a century, and this standard type gives dependable ignition, straightforward servicing and easy gapping.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