Originally Posted by cueballsi
any one know what right idle pulley (the small one) should be used on my 2005 sti block ( 701 casting) and my 2002 wrx 2.0L heads for the timing belt???
I heard something about a double row idler????
It is the updated subaru double bearing small idler that bolts to the timing belt tensioner. You should use that one not the single bearing roller designed one.