Description
The NGK DPR8EA-9 (4929) is a 12mm thread diameter, 19mm reach spark plug with a 18mm hex size, typically used in motorcycles and ATVs. It features a resistor, nickel alloy electrode, gasket seat, and a factory-set gap. It is commonly used for Honda (e.g., V-Max) and other engines requiring a high-performance, long-reach plug




