I did that, it lasted only 4 months/6500 km! All heads are made of aluminium. Toyota changed the head design on the 1KZ-TEs. The cracked cylinder head phenomenon relates to the older '90 Series' Toyotas with the 1KZ-TE 3.0 litre diesel. Almost every vehicle will crack its head if you cook it.
Cylinder head buggered? KZN1# series cars with the 1KZ-TE are prone to cracking the head. Twilight Saga Breaking Dawn Part 1 In Hindi Movies Counter on this page.