Just built a 06 wrx 2.5 block forged pistons etc witted with sti version 3 heads the 2.5 block was complete with all the timing belt pulleys and tensioner etc. So therefore which belt should i use the one for the 2.5 or a standard 2.0 one ??

 

All the same mate.

Mick

 

hey mate just finishing off this conversion and i used a normal ej20 conti belt
remember and fit the 1.5 or above g/gaskets

tommy