90910-02140 Cylinder Head Bolt Set for Toyota 2ZZ-GE

Description

Tightening Specifications and Sequence
Prior to installation, ensure that a thin layer of engine oil is applied to the bolt threads and beneath the bolt heads.
Step 1: Tighten all 10 bolts, following the specified sequence, to a torque value of 35 N·m (26 ft-lbs).
Step 2: Retighten all bolts, following the same sequence, by an additional 90°.
Step 3: Perform a final tightening of all bolts by an additional 90°.

Bolt Specifications and Inspection
Thread Size: M10 x 1.5
Length: 147.00 mm (measured from the underside of the bolt head to the end of the threads).
Maximum Length: 148.5 mm. If the elongation of any bolt exceeds this limit, it must be replaced.