Posted on September 2, 2009 by SteeevORugged Rocks – H233B Rear Chromolly Axle Shaft Kit, 31-spline – Nissan Hardbody 1987 – 1997 4-Pre-Orders Needed for Production High Quality Axles: Chromolly 4140 Material Induction Hardened Rolled Splines Note: For use with disk brakes, drum axle retainers will be needed.