thisismyusername
Donut Eater
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Ok so im looking to replace the spark plug on my predator 79cc engine. Someone on youtube said to use an NGK part number B5HS. Store part number is 4210. So not sure if anyone else uses a different one or not, also when i go to a store like auto zone or some thing, would i be looking for NGK B5HS? I Dont want to use the E5TC plug because people say that the NGK work some what better performance wise. Plus i dont know if i would be able to even get an E5TC at a autozone, etc.