Just a quick update. Duratech just launched new product to asian market which is high performance camshaft for 4g93 and 4g93T. It is also suitable for 4g91, and 4g92 DOHC non MIVEC. Specification offers as follow :
Duration: 272deg IN , 272deg EX
valve lift: 10.85 IN , 10.85 EX
Valve spring : 16pcs
According to the manufacturer/supplier, this spec is very good for street application.