Discussion Starter · #1 ·
The 60s/70s Toros with the Tecumseh engines called for Champion J-8 spark plugs. The more recent equivalent is the Champion J-8C. But, I have a 10-pack of NOS Champion UJ-8. Are they the same as the J-8 ? What's the story on the two? Was one produced before the other? ??? Thanks for any info.