Champion Copper Plus Spark Plugs 821M

Champion Copper Plus spark plugs have been original equipment on a wide variety of engines for many years. They feature nickel alloy centers and ground electrodes with efficient wear characteristics. In addition, the spark plugs' extrusion of copper into the center electrode allows for increased conductivity and heat control. Manufacturers have used them in non-automotive applications, such as lawn and garden and other power equipment. Replace your old plugs with Champion Copper Plus spark plugs for maximum reliability.Brand: Champion Spark Plugs
Manufacturer's Part Number: 821M
Part Type: Spark Plugs
Product Line: Champion Copper Plus Spark Plugs
HP Direct Part Number: CPN-821M
UPC: 037551005109
Spark Plug Thread Size: 14mm
Spark Plug Reach (in.): 0.500 in.
Spark Plug Reach (mm): 12.70mm
Manufacturer Heat Range: 77
Shorty Spark Plug: No
Resistor: No
Electrode Tip Material: Nickel
Electrode Core Material: Copper
Center Electrode Type: Projected
Spark Plug Seat Style: Gasket
Wrench Diameter: 13/16 in.
Ground Strap Quantity: One
Quantity: Sold individually.