Valve Spring & Rocker Arm Tool Combination 3-in ONE Similar to The Miller 10102
It's a specialty tool used to compress the valve springs and access the keeper which is needed when changing the valve springs.
Also can be switched over to the Rocker Arm Tool when you don't need to access the keeper.
Use of this tool is safely done without damage to the camshaft or camshaft lobes.
Used to allow removal of the camshaft, rocker arms and hydraulic lash adjusters in 4.7 Liter Engines.The valve spring tool allows access at the valve keeper so a magnet can be used to remove it.

Fitment:
For 1999~2013 Jeep, Dodge, Chrysler 3.7 and 4.7 engines

Application Chart:

2006 (DR, HB, KJ, ND, WK, XK) - Systems (9 - Engine, 3.7L, 9 - Engine, 4.7L)
2007 (DR, HB, HG, KA, KJ, ND, WK, XK) - Systems (9 - Engine, 3.7L, 9 - Engine, 4.7L)
2008 (DR, HB, HG, KA, KK, ND, WK, XK) - Systems (9 - Engine, 3.7L, 9 - Engine, 4.7L)
2009 (DS, HB, HG, KA, KK, ND, WK, XK) - Systems (9 - Engine, 3.7L, 9 - Engine, 4.7L)
2010 (DS, KA, KK, ND, WK, XK) - Systems (9 - Engine, 3.7L, 9 - Engine, 4.7L)
2011 (DS, KA, KK, ND) - Systems (9 - Engine, 3.7L, 9 - Engine, 4.7L)
2012 (DS, KK) - Systems (9 - Engine, 3.7L, 9 - Engine, 4.7L)
2013 (DS) - Systems (9 - Engine, 4.7L)