8 New NGK Iridium IX Spark Plugs TR8IX #3691 - High Performance Spark Plugs for Cars, Trucks & Motorcycles - Improve Engine Efficiency & Acceleration

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Genuine 8 pack NGK Iridium IX 3691 Spark Plug

8 pack NGK Iridium IX 3691 Spark Plug

Genuine NGK Parts

Includes original packaging and hardware

Direct replacement auto parts

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4.5

I was running Br7ef before swap to these because the others would crack from external heatHopefully they hold up well