Replacement Spark Plug for Champion
- CY7Y, Bosch
- WS8F, NGK
- BPM7A
- Nippondenso W22MP
- U, Autolite
- 2974, AC-CS42S Oregon 77-307-1 spark plug replacement parts are built to meet or exceed OEM standards. These have been designed for chainsaw, brushcutter & lawn mower applications, & it is not recommended that they are used elsewhere.