Manufactured by BDS Suspension | 122421 | 2019-22 Ram 3500 T-Case Index 18deg, 8 Bolt, BDS Suspension, Indexing rings eliminate front driveline vibrations. Proper clearance prevents cross-member interference. Heavy duty steel construction for maximum strength. Designed with optimal spline engagement to prevent transmission to transfer case damage. Product information updated on 2025-03-10. This product can ship by Small Parcel