RCV Plunging 934 CV Joint rebuild kit for race-ready version of the RCV Performance Ultimate 934 CV Joint. Fits a size 21 housing that is finned for increased heat dissipation. The bearing cage is manufactured from chromoly steel for ultimate strength and is finished with the RCV Isotropic Finishing process for reduced friction. Joint is fitted with a 33 spline 300M inner race. This joint is backed by RCV's unbeatable "No Questions Asked Limited Lifetime Warranty".Kit includes race, cage, ball bearings.