Super Racing N17C Spark PlugN17C Brisk Racing Super Spark Plug Brisk SKU N17C Parameters: Thread Diameter 14mm Thread Reach 12. 7mm 1 2" Hexagon 21mm 11 16" Seat Type Gasket Design Copper Alloy Electrode Resistor No Projected No Heat Range 17 Brisk N17C Replaces: The center electrode is from nickel alloy filled with copper core (SUPER) or from special nickel yttrium alloy (SUPER YTTRIUM) with high heat conductivity what enables to optimize thermal balance of active parts of

Brisk LR15SXC Replaces:

LOR17LGS Premium LGS Brisk Racing Spark Plugs

BOR12LGS Premium LGS Brisk Racing Spark Plugs

Brisk LR10SL Replaces:

snowmobiles

Projected Extended

Brisk RR15SXC Replaces:

Brisk DOR11LGS Replaces:

Hexagon 21mm

NGK R7437-8

LR15YS Brisk Racing Silver Spark Plug

and is the best electrical and thermal (heat) conductor of all metals