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Review on πŸ”Œ Denso 4506 PKH20TT Platinum TT Spark Plug, Pack of 1 - Improved for SEO by Mark Walsh

Revainrating 1 out of 5

Cheap plastic in aftermarket parts

The only spark plug I've ever literally smashed while installing. Remember this was done professionally. It wasn't over tightened or anything, when it was unscrewed it was in the smells which is terribly concerning considering there will be disaster if any of the plastic gets into the engine.

Pros
  • Improved fuel economy, better acceleration and faster starting than any other single platinum plug
Cons
  • Big and bulky