RCV Performance Big Bell CVs are the ultimate solution designed to fit the massive Spidertrax Pro Series 45 spline unit bearings.  The Big Bell CVs are the same housing and internals as our 2.5 ton Rockwell CVs,  just with a shorter stub for the unit bearing.  Eliminating the need for a lock-out or drive flange, this CV splines directly to the unit bearing increasing strength and reliability.  This CV is designed for custom applications using the Spidertrax Pro Series 45 spline unit bearing, Model No: PSUR6612PS45.  CVs sold individually.  Includes 1 Big Bell CV with 40 spline inner race.