Is This Spark Plug Heat Resistant?
Yes, the 18875-08085 Spark Plugs are designed to withstand extreme heat and pressure for long-lasting reliability.
These spark plugs are manufactured with premium materials specifically engineered to handle the high operating temperatures of your 2020-2021 Hyundai Sonata or 2021 Kia K5 1.6L engine, ensuring consistent performance under demanding conditions.

Is This Spark Plug Heat Resistant?
Yes, the 18875-08085 Spark Plugs can improve fuel efficiency through more efficient fuel combustion and consistent power delivery across all cylinders.
Proper installation results in smoother idling and better acceleration. Properly functioning spark plugs ensure optimal ignition timing and complete fuel combustion, leading to better fuel economy compared to worn spark plugs.

Does It Require Professional Installation?
No, the 18875-08085 Spark Plugs don't require professional installation. Self-installation takes approximately 10 minutes.