RPM's A-arm adapter kit for the Losi LST2 & Muggy. If you're looking for strength and adjustability for your LST2 or Muggy, we've got what you're looking for! The RPM A-arm adapter kit is designed to allow the use of our bulletproof LST A-arms on your LST2 or Muggy. This Adapter kit, combined with a set of RPM Adjustable Camber A-arms for the LST allows any LST2 or Muggy owner the luxury of adjustable camber, not presently available with stock LST2 or Muggy A-arms and provides a level of strength and durability you've always wanted! This kit consists of sixteen spacers that fit on the outer hinge pins of the A-arm to compensate for the width difference at the outer hinge pin mount.