Home/Torque Specs/Lexus/SC 430/2002-2010 4.3L V8/Valve Springs - All

2002-2010 Lexus SC 430 Valve Springs - All Torque Specs

4.3L V8

Applies to 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, and 2010 Lexus SC 430

Labor Time:6 hours

🔧 Torque Values10 specifications

Component	lb-ft	Nm	Notes
⚠️ Camshaft Cap Bolts	10	14	Tighten in sequence from center outward, multiple passes
Cover Bolts	12	16	—
⚠️ Gasket Bolts	15	20	—
Mounting Bolts	20	27	—
⚠️ Mounting Bolts	35	47	—
⚠️ Rocker Arm Bolts	22	30	Tighten with cam lobe pointing away
⚠️ Rocker Arm Shaft Bolts	18	25	Tighten evenly in sequence
Sensor Bolts	8	11	—
⚠️ Spark Plugs - Aluminum Head	15	20	Apply anti-seize to threads
Valve Cover Bolts	7	10	Tighten in sequence

⚠️ = Critical torque value | Always verify with vehicle-specific service manual

⚠️ Some critical specs are estimated. Please verify sequence.

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Common Questions

What is the torque spec for valve springs - all on a 2002-2010 Lexus SC 430?

The primary torque specification for valve springs - all on a 2002-2010 Lexus SC 430 is 14 Nm (10 lb-ft). Note: Tighten in sequence from center outward, multiple passes

How many torque specs are there for Lexus SC 430 valve springs - all?

There are 10 torque specifications for valve springs - all on the 2002-2010 Lexus SC 430 4.3L V8, covering all related fasteners and components.

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