CHAMPION SPARK PLUGS 859 TRADITIONAL SPARK PLUG RCJ7Y (PACK OF 4)

"CHAMPION" TRADITIONAL SPARK PLUG Use Champions traditional plugs are all constructed with a corrosion resistant zinc plated shell. Resistor plugs have the most durable high voltage semiconductor while marine application a special wire wound Q-type suppressor when noted. Copper core ground or center electrode. Conforms to all I.S.O and S.A.E standards as specified by all manufacturers. Specification: Thread 14 mm Reach 9.5mm (3/8") Hex Size:13/16" (20.6mm) Gasket Seat Resistor Projected Tip Highlights: All constructed with a corrosion resistant zinc plated shell Resistor plugs have the most durable high voltage semiconductor Box of 8