2016-2020 Kia Optima Spark Plugs Torque Specs

2.4L I4

Applies to 2016, 2017, 2018, 2019, and 2020 Kia Optima

Labor Time:1 hours

Torque Values (7 specifications)

Component	Nm	lb-ft	Notes
Cover Screws	11	8	—
Engine Cover Clips	3	2	—
Ignition Coil Bolt	11	8	—
Ignition Coil Bolts	8	6	—
Mounting Bolts	27	20	—
⚠️ Spark Plug	20	15	Gap before install, anti-seize optional
⚠️ Spark Plugs - Aluminum Head	20	15	Apply anti-seize to threads

The primary torque specification for spark plugs on a 2016-2020 Kia Optima is 11 Nm (8 lb-ft).

There are 7 torque specifications for spark plugs on the 2016-2020 Kia Optima 2.4L I4, covering all related fasteners and components.