Prevent front driveline issues on your lifted 2003-2013 Ram 2500 4WD manual transmission equipped truck with the BDS transfer case indexing ring kit. At 6" of lift and above it is necessary to index the transfer case to allow the front driveline to reconnect and eliminate vibrations. Designed for flange transmissions the BDS t-case index ring kit has optimal spline engagement and is dual-drilled to allow positioning for compatibility with a range of lift heights. Rounding out the indexing kit is a billet aluminum driveshaft spacer and all the hardware needed to complete the installation.