NEW 4 pack Fits NGK BPM8Y Spark Plug 15901019830 Fits Echo CS590 Others

Set Of Four (4) New Aftermarket Replacement Chainsaw Spark PlugsFits Echo Trimmers, Blowers, Chainsaws and Various Other EquipmentReplaces Part Numbers:Fits Oregon: 77-307-1, 773071, 77 307 1Fits Champion: CJ6Y, RCJ6Y, CY7Y, RCJ7YFits Tecumseh: TC300Fits Nippondesnso: W22MP-UFits Autolite: 2974, AC-CS42SFits NGK: BPM7A, BPMR7A, BPMR4A, 4626, BPM8Y Fits Denso: W22MPRUFits Bosch: WS8F, WSR5F, WSR6FFits Torch: L7TCTech Info:Plug Type: StandardIncludes: Set Of 4 New Spark PlugsAvailable Individually, In other Multiples & In Various Kits - Please See Our Other ListingsCeramic insulator provides better insulation/heat dissipation, heat shock resistance and mechanic performanceLarger space between insulator nose and shell reduces fouling and misfiring