CZP Upgraded Clutch Pivot Ball Z32, New, unopened in packet from COZ. $30 + Post Description: The stock Nissan pivot ball is made from a weak Grade 5 steel and from 10+ years of use have a tendency to break when an upgraded clutch is installed. We have made our Pivot ball from Chromoly to withstand the extra force of an upgraded clutch. This is a must have part for anyone upgrading to a performance clutch!!!