The tapered Pro OTR was created for use with S13, S14 and S15 knuckles that still use a tapered hole, such as our standard forged super angle knuckles or modified OEM knuckles. These outer tie rods are similar in length to the stock tie rods. ~Replaceable PTFE lined high misalignment outer heim joints. ~Replaceable Chromoly taper rods for S-chassis knuckles ~CNC steel sleeves with M14x1.50 threads for compatibility with common Nissan inner tie rods (S13's must upgrade to S14 inner tie rods) ~Check out the chart below for length of combining this tie rod with our 3 inner tie rod lengths and rack to inner tie rod offsetters.