ADJUSTABLE WING MOUNT ASSEMBLY. WIDTH CAN BE CHANGED TO ACCOMIDATE ALMOST ANY WING NEEDED. COMES WITH THE BRACKETS FOR THE ROOSTER OR IF SPECIFIED WILL COME WITH BRACKETS FOR THE B6 BASED CARS. PERFECT FOR THOSE PEOPLE WHO NEED A WING MOUNT OR CONVERTING A BUGGY BASED CAR TO DIRT OVAL AND NEED A REAR BODY MOUNT. LEAVE A NOTE AT CHECKOUT WHICH BRACKETS ARE NEEDED FOR YOU. COMES WITH BRACKETS ,CARBON FIBER ADJUSTABLE ASSEMBLY, PRINTED POST HOLDERS AND POST.. CAN ALSO BE USED WITH OUR ALUMINUM BODY POST HOLDERS