I love this site! It always has the cheapest prices for the parts I need and whenever I order from here I KNOW the part will fit my RSX (ordered a set of motor mounts for my RSX from kseriesparts.com and it came with a 2/3 RSX mounts and 1 mount...
...thread designed for Auto Meter 1/8" Nylon or Copper Tubing...Use to connect Auto Meter 1/8" Nylon or Copper tubing to Auto Meter Mechanical gauges...