Arnold Corp FF-12 First Fire-12 Spark Plug 14 mm

FF-12, Small Engine Spark Plug, For 2 Cycle Equipment Including Weed Eater Blower, Gas Trimmers, Blowers, Etc. Replaces Champion 5843, CJ6, CJ8, RCJ6, RCJ8; Replaces NGK BM6A, BM6Y, BM7A, BM7Y, BMR6A, BMR7A & Replaces Autolite 254, 255.

First Fire Spark Plug, First Fire, Suitable For Use With: Small Engines, 14 mm Thread, 13/16 in Hex Head Width Across Flats, 3/8 in Gap