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ACDelco R46SZ Professional Conventional Spark Review

2

·

Excellent

Revainrating 5 out of 5  
Rating 
5.0
🧯 Ignition Parts, 🛠️ Replacement Parts

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Details

BrandACDelco
Core MaterialCopper
Top Material TypeNickel

Description of ACDelco R46SZ Professional Conventional Spark

Black Onyx coating helps reduce corrosion. Copper core provides great heat transfer and helps maximize plug durability. Ribbed suppressor seal extends resistance and helps prevent spark ‘flash over’ and misfires. Nickel-chrome alloy sheathing helps prevent corrosion on center electrode. Available for use in Marine applications.

Reviews

Global ratings 2
  • 5
    2
  • 4
    0
  • 3
    0
  • 2
    0
  • 1
    0

Type of review

Revainrating 5 out of 5

Great performance and reliability

According to my experience this spark plug provides great performance and reliability. It's easy to install, and I have noticed a significant improvement in my vehicle's acceleration and fuel efficiency. However, it may not be the most affordable option in the market. .

Pros
  • Great performance and reliability
Cons
  • May not be the most affordable option

Revainrating 5 out of 5

Very happy with the super setup and more than doubled.

Tried many different spark plugs in a 1979 409 Olds engine. After checking which spark plugs were offered by the new ones, I tried these stock Delco ACs. I'm very happy with the Super setup and have more than doubled my 10mpg fuel economy.

Pros
  • Ignition Parts
Cons
  • Replacement Availability