Ngk 4076 Racing Series Spark Plug - R6254K-105 suspension-fork-springs pistons with anodized domes are

pistons with anodized domes are 75% stronger than non-anodized pistons

Charcoal bamboo fiber keeps odors

2013-2025 KTM 250 SX

Fits NGK D series and ND X series

1992-1996 Arctic Cat Jag Deluxe

Ngk 4076 Racing Series Spark Plug - R6254K-105 suspension-fork-springs pistons with anodized domes areSpark Plug Code: R6254K 105 Ngk Racing series plugs are engineered to withstand the harshest engine conditions. Special insulator nose configurations improve throttle responce. Corrugated ribs prevent flashover. Pure alumina silicate ceramic insulator provides superior strength and better heat transfer. Copper core aids in heat removal. Triple seals prevent leakage.