The CTA Porsche Vibration Damper Counter Holder for 970 & 92A, No. 3804, is used to counter hold the crankshaft pulley during removal and installation. The 3-1/2’ long tool is used for replacing Porsche factory parts: #94810224164, #94810224161, #94810224162, #94810224163, and #94810224165. It is ideal for Porsche 4.8L V8 used in the Panamera (2010-2016) and Cayenne (2011-2018) applications.