The RC10B6 Builders Support Kit brings Team Associated race-winning technology to builders assembling dirt oval sprint cars, late models, and custom drag cars. The applications are endless. The Builders Support Kit has the major sub-assemblies builders need in a value-packed kit, without having to pay for excess 2WD off-road buggy parts. Parts Included Ball differential included Laydown and Layback transmission assemblies included for tuning mass balance to different track surfaces Adjustable differential height to allow drive shaft alignment through all ride height and axle height configurations V2 12mm Big Bore threaded aluminum shocks (four 24mm bodies and four 21mm shafts) with X-rings for low friction assembly V2 12mm shock springs (red front, yellow rear) for most dirt oval and on-road type applications RC10B6 front end assembly (steering, top plate, and suspension) with gull wing front arms and blue aluminum front axles Factory Team ball bearing set with 24 precision oiled ball bearings Set of six 48mm turnbuckles, ball cups, and HD metric ball studs Standard pivot rear aluminum arm mounts for use with 67mm CVA bones and RC10B6.1 rear hubs Aluminum rear ball stud mount with three link positions for maximum adjustability and added strength Lightweight aluminum one-piece top shaft New RC10B6.3 servo mounting system with direct-to-chassis aluminum chassis mounts and molded brace with transponder mounting location Octalock spur gears and 19mm Octalock LCF pads 2.5 mm thick machined shock pistons Blue aluminum shock bushings Molded wire clips included for motor and ESC wire organization +1 carbon fiber steering arms Black steel LP serrated wheel nuts 3mm I.D. molded plastic spacers included for ball stud and shim needs 7mm aluminum clamping wheel hexes Fasteners and metric hardware