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Home >> Lexus >> 2011 >> IS 250 AWD V6-2.5L (4GR-FSE) >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Head Assembly
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Cylinder Head Assembly














Cylinder head

Right:




Left:





Step 1 36 Nm (367 kgf-cm, 27 ft-lbf)
Step 2 90°
Step 3 additional 90°

Warpage maximum 0.10 mm (0.0039 in)

Cylinder head bolts

Minimum diameter 10.7 mm (0.4213 in)

Camshaft caps








Bolt A 28 Nm (286 kgf-cm, 21 ft-lbf)
Bolt B 16 Nm (163 kgf-cm, 12 ft-lbf

Intake manifold Specifications

Exhaust manifold Specifications

Camshaft gear Specifications