S&S Cycle Cam Phaser Tool For Harley M8 With VVT With new power plants come new tools. The new S&S Cam Phaser Tool holds the Spool Valve Bolt in place to allow you to pull the cam phaser assembly and get access to the cam plate, oil pump, and, of course, the cam. If youre planning to do any work inside the cam chest of an M8 with Variable Valve Timing, this tool is a must. Features: Holds the spool valve allowing removal of the cam phaser assembly Necessary to gain access to the cam plate, oil pump and cam Made in the USA