Champion 917C Spark Plug

Dependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.

Plug Type: N11YC
Seat Type: Gasket
Hex Size: 0.813
Hex Size (MM): 20.650
Thread Size: 0.551
Thread size (MM): 14.000
Thread Reach: 0.75
Taper Diameter: 0.252
Installed Height: 2.24
Gap: 0.03-0.035
Gap (MM): 0.76-0.89
Center Electrode Diameter: 0.1
Center Electrode Materis: Nickel Copper Alloy
Ground Electrode Quantity: 1
Classification: Champion Copper Plus Small Engine
Resister Plug: No
Manufacturer Heat Range: 11
Electrical Terminal Type: Removable Nut