Champion DJ8J Spark Plug #847-1 Replaces: 847 5847 5851 895 DJ6Y DJ7J RDJ7J RDJ8J BM6F BM7F Purchase is for one spark plug Champion copper plus spark plugs are built to ISO and SAE standards for proven performance. The Champion copper plus spark plug features a copper core electrode that provides increased conductivity and heat control while delivering good overall wear characteristics. Copper core center electrode allows for accurate control of the plug's heat range, optimizing the plug's performance and adding to the longevity of the spark plug. Maintain your chain saw or trimmer's engine performance with the Champion Spark Plug for Chain Saws and Trimmers. The spark plug is designed to withstand high operating temperatures and has a 14mm thread. For use with chain saws and trimmers • For use with chain saws and trimmers • Electrode core: Nickle copper alloy • Insulator material: Zirconia enhanced • 14 mm thread, • Reach: 0.307” (8 mm) reach • Wrench: 5/8” hex • Withstands high temperatures (heat range = 8) • Seat: Tapered • Non-resistor • Installed height: 1.45” (shorty plug) • • Card UPC: 037551011131 (old: 037551124480 03755126321)