Material: S45C with phosphate finish
It's designed to prevent the camshaft pulley
from rotating when releasing the fixing bolt.
Suitable:
Subaru Impreza WRX STI 2002-2007 (exhaust cam only)
Subaru Forester XT 2004-2008 (exhaust cam only)
Subaru Impreza WRX 2008-2015 (exhaust cam only)
Subaru Legacy GT 2005-2010 (exhaust cam only)
Subaru Outback XT 2005-2010 (exhaust cams only)
Subaru Impreza WRX 2002-2007,Saab 9-2X 2005-2006,Subaru Baja 2004-2006