Spark Plugs Torque Specifications

2002-2010 Lexus SC 430 4.3L V8

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 2002-2010 Lexus SC 430 is 11 Nm (8 lb-ft).

There are 7 torque specifications for spark plugs on the 2002-2010 Lexus SC 430 4.3L V8, covering all related fasteners and components.