STIHL Bosch USR7AC NGK Spark Plug 7599 CMR5H have corrugated ribs to prevent flash-over, high dielectric strength, proper heat transfer, eliminates combustion gas leakage, greater spark and heat transfer. Improved anti-fouling and corrosion-resistant.
Fits Brushcutter and Hedgetrimmer models:
- FC90, FC100, FC110
- FS87, FS87R, FS90, FS90R, FS100, FS100R, FS100RX, FS110, FS110R, FS110X, FS110RX
- FT100
- HL90K, HL95, HL95K, HL100, HL100K
- HS81R, HS81RC, HS81T, HS81TC, HS86R, HS86T
- HT100, HT101
- KM90, KM90R, KM100, KM100R, KM110R
- SP90, SP90T
