RCM-SP-1044 1044 - Rear Body Mount Shim Plate Set (Option)Optional rear body mount spacer set for RC MAKER SP1 SP1 F This rear body mount spacer set helps to quickly adjust the height of the horizontal rear body posts. Simply loosen the screws and slide the spacer in underneath the aluminium spacer and re tighten! These spacers can be stacked together to further increase the height. Manufactured from 1mm, 2mm and 3mm Carbon Fiber RCM SP 1044 Includes: 2x 1mm Body Mount Spacers 2x 2mm Body Mount Spacers 2x