Patent ID: 8251038

Claim:
An insert for use in a remanufactured cylinder head for an internal combustion engine, the cylinder head being adapted to receive a rocker arm shaft to which at least one rocker arm is mounted, the cylinder head comprising at least one rocker arm stand including a channel, the insert being adapted to be secured within the channel, the insert comprising an inner facing surface for receiving the rocker arm shaft, the inner facing surface having a radius and a length, the radius being within a range of 35 to 45 mm, the length being within a range of 70 to 103 mm. an outer facing surface, at least a portion of the outer facing surface being adapted for disposal against the channel, the outer facing surface being adapted to cover a surface of the rocker arm stand such that the rocker arm shaft is disposed adjacent the inner facing surface in use, but not adjacent the rocker arm stand.