Description
The NGK D8EA (Stock No. 2120) is a standard nickel spark plug featuring a 12mm thread diameter, 19mm (3/4″) reach, 18mm hex size, and a gasket seat, typically gapped to 0.7mm – 0.8mm (0.028″ – 0.031″). It is a non-resistor, non-projected tip plug widely used in motorcycles, ATVs, and small engines.




