TEAM LOSI XXX-NT CARBON FIBER REAR SHOCK MOUNT SUPPORT BRACE THIS ITEM GOES BETWEEN THE THE 2 SHOCKS TO HELP BRACE THE SHOCK FROM IMPACT BREAKING THE SHOCK TOWER. THIS ITEM WILL HELP PREVENT BREAKING OF THE SHOCK TOWER THERE ARE 2 DIFFERENT SUPPORT BRACES, THE 4 HOLE IS FOR THE RTR MODELS AND THE 3 HOLE IS FOR THE GRAPHITE KITS. MAKE SURE TO CHECK YOUR SHOCK MOUNT TO SEE IF IT HAS 3 OR 4 SHOCK MOUNT HOLES BEFORE ORDERING. *** INCLUDED WITH ITEM *** 1 - CARBON FIBER SHOCK MOUNT SUPPORT *** NOTE *** MAY WORK ON SOME ELECTRIC STADIUM TRUCKS ALSO