Durable and dependable. Nickel copper alloy core provides increased conductivity and heat control.

Durable and dependable. Copper plus spark plug is built to ISO and SAE standards for ideal performance and longer life. Copper core center electrode allows for accurate control of heat range.

Fits blowers, chain saws, string trimmers, brush cutters and edgers.

Fine wire center and side electrodes concentrates spark energy for easier starts under all conditions. Booster gap delivers maximum firing voltage. Projected core nose offers peak performance. #5843 is equivalent to #CJ8, CJ7Y, CJ8Y, RCJ8, RCJ7Y, RCJ8Y, J8C and RJ8C. #5846 is equivalent to...

Patented high voltage semi-conductor resistor for maximum EMI suppression. Copper core center electrode reduces engine misfire caused by fouling. Triple seal assembly with upper and lower metal gaskets and sillment seal, eliminates spark plug failure due to heat or mechanically induced stress. Triple-coated shell,...

PLUG MARINE SML ENGINE