Description We now offer these complete CHROMOLY I.R.S. racing axle kits. Empi has taken the guess work out of putting together your high performance I.R.S. axles. Complete axle kits are now available and come with Chromoly race axles, nylon boot ties, HD Boots, C.V. joints and boot flanges. Assembly is required. We offer 5 versions of this popular kit, 3 versions with Type-2 CV joints in 3 different lengths, and 2 versions with 930 CV joints in 2 lengths. Click here to view all versions.