Heavy Duty tie rod ends. Available individually in left hand and right hand thread or sold in pairs one L/H and one R/H thread, comes with the cotter pins and jam nuts. Kit includes all parts needed to do the job right. Heavy Duty tie rod upgrade kit. Upgrade 10mm Tie Rod Ends prone to failure to AB's Heavy Duty 12mm style Tie Rod Assemblies. Each kit contains: two tie rods, four tie rod ends along with the cotter pins and jam nuts.Quality design and construction of every All Balls piece meets the toughest standards and conditions - from daily commuting to full-on racing, all older bearing and seal designs are upgraded to the best and latest specs and designs.