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Germany, Berlin
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51 Review
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Review on Autolite 303 4PK Copper Resistor Spark by Tim Olson

Revainrating 5 out of 5

Powerful Spark for Smooth Ignition

These copper resistor spark plugs are a must-have for any automotive enthusiast. The improved conductivity ensures a strong and smooth ignition, leading to better engine performance and fuel efficiency. While the price may be slightly higher than other options, the long-lasting durability and consistent performance make it well worth the investment.

Pros
  • Reliable and durable for everyday use.
Cons
  • Requires more frequent maintenance than iridium or platinum spark plugs.