Review on 🔌 ACDelco 41-100 Iridium Spark Plug | GM Original Equipment by Kevin Swier

Name: 🔌 ACDelco 41-100 Iridium Spark Plug | GM Original Equipment
Item: 🔌 ACDelco 41-100 Iridium Spark Plug | GM Original Equipment
Rating: 4

February 20, 2023

Good solid high mileage spark plugs

Finally replaced my Delco AC plugs after over 100,000 miles on my GMC Sierra 2500. Amazing I got them for that long there seems to have been some improvement in overall engine performance, not much help with gas mileage, maybe 1 mile or less. I have addons for my engine. For the money they work great and I never see a change. Stamps in this truck.

Pros

Muffler Gasket measures spark energy to extend electrode life and helps prevent combustion leaks

Cons

Some minor things

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