2008-2014 Subaru Impreza Valve Spring - Single Torque Specs

2.5L H4

Applies to 2008, 2009, 2010, 2011, 2012, 2013, and 2014 Subaru Impreza

Labor Time:3 hours

Torque Values (8 specifications)

Component	Nm	lb-ft	Notes
Cover Bolts	16	12	—
⚠️ Gasket Bolts	20	15	—
Mounting Bolts	27	20	—
⚠️ Mounting Bolts	47	35	—
⚠️ Rocker Arm Bolts	30	22	Tighten with cam lobe pointing away
Sensor Bolts	11	8	—
⚠️ Spark Plugs - Aluminum Head	20	15	Apply anti-seize to threads
Valve Cover Bolts	10	7	Tighten in sequence

The primary torque specification for valve spring - single on a 2008-2014 Subaru Impreza is 16 Nm (12 lb-ft).

There are 8 torque specifications for valve spring - single on the 2008-2014 Subaru Impreza 2.5L H4, covering all related fasteners and components.