Spark Plugs
L77JC4
Type: 821M
Box of 4
14mm Thread, 12.7mm (1/2") Reach, 13/16" (20.6mm) Hex Size, Gasket Seat, Non-Resistor, Cut Back Ground w/ Modified Gap, Marine Plug
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 use a special wire wound Q-type suppressor (CDI resistor) when noted. Copper core ground or center electrode (when noted). Conforms to all I.S.O and S.A.E standards as specified by all manufacturers
Product Code: 24-L77JC4