Spark Plugs

Champion Industrial Plug Number D21 Spark Plug - 502

Part #:

502

Line:

CHP

Champion Industrial Plug Number D21 Spark Plug

1 Year Limited Warranty

Seat:   Gasket

Thread Size:   M18

Heat Range:   21

Hex Size (mm):   22mm

Hex Size (in):   7/8 Inch

Preset Gap (in):   0.025 Inch

Preset Gap (mm):   0.64mm

Thread Reach (in):   0.500 Inch

Center Electrode Tip Material:   Nickel

Ground Electrode Tip Material:   Nickel

Service Number:   D21

Metallurgy:   Copper

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