Roger Clark Motorsport AVCS Intake Cam Sprocket ToolNow this tool is a must for any workshops who work on Subarus, be it the professional or DIY engine builder, where those stubborn camshaft pulley bolts always cause a problem. For Subaru engines fitted with variable valve timing, this large heavy duty wrench locates securing into the variable valve pulley using internal lugs and plenty of leverage!!! allowing you to safely undo those camshaft pulley bolts. Important Note: As with any tool, care and