Ngk 4091 Racing Series Spark Plug - R5671A-7 engine-radiators-components-cooling-fans It wont bind up or

It wont bind up or develop those sharp frays that give nasty slivers

and nipples

All Burly lowering kits are made in the USA

1987-1999 Harley Davidson FXSTC Softail Custom

2014-2019 Husqvarna FE350

Ngk 4091 Racing Series Spark Plug - R5671A-7 engine-radiators-components-cooling-fans It wont bind up orSpark Plug Code: R5671A 7 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.