Ngk 4076 Racing Series Spark Plug - R6254K-105 engine-valve-train-pushrods 1973-1975 Honda ST90

1973-1975 Honda ST90

Self-tapping screws replace rivets on guards covering gear assembly for quick-change capability

Designed to be the most puncture-resistant tires available

2009-2023 Yamaha YZ450F

2009 Arctic Cat 500 4x4

Ngk 4076 Racing Series Spark Plug - R6254K-105 engine-valve-train-pushrods 1973-1975 Honda ST90Spark 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.