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Review on ACDelco 946M Professional Spark Plug by Fred Meeks

Revainrating 2 out of 5

easy to distribute.

I should have gotten a replacement set for these BCSs, they popped heads so easily. I ran a 1965 f100 and used them, had to cycle them on and off multiple times when changing distributors, checking spark, etc./; Out of 6 wires 3 removed the heads so I sent them back and got a replacement set, I will attach them very very carefully. but they work and I don't touch them.

Pros
  • Spark Plugs and Wires
Cons
  • Safety