Spark Plugs

Champion Copper Plug Number L77JC4 Spark Plug - 821-1

Part #:

821-1

Line:

CHP

Champion Copper Plug Number L77JC4 Spark Plug

1 Year Limited Warranty

Seat:   Gasket

Thread Size:   M14

Heat Range:   77

Hex Size (mm):   20mm

Hex Size (in):   13/16 Inch

Preset Gap (in):   0.027 To 0.033 Inch

Thread Reach (in):   0.500 Inch

Resistor Plug:   No

Center Electrode Tip Material:   Nickel

Ground Electrode Tip Material:   Nickel

Service Number:   L77JC4

Metallurgy:   Copper

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