Ngk 4076 Racing Series Spark Plug - R6254K-105 engine-valve-train-pushrods Self-tapping screws replace rivets on

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

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Ngk 4076 Racing Series Spark Plug - R6254K-105 engine-valve-train-pushrods Self-tapping screws replace rivets onSpark 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.