ENHANCE THE PERFORMANCE OF YOUR TAMIYA RC CAR WITH THIS SEALED STEEL BEARING BALL BEARING UPGRADE KIT. DESIGNED FOR TAMIYA AROCS 3363, IT GUARANTEES A SMOOTHER AND MORE STABLE RIDE. THE KIT INCLUDES ALL THE NECESSARY COMPONENTS FOR EASY INSTALLATION. THIS HOP-UP SET IS SUITABLE FOR ELECTRIC-POWERED RC CAR SCALE MODELS. PERFECT FOR BEGINNERS AND ADVANCED RC ENTHUSIASTS ALIKE, THIS KIT IS A MUST-HAVE FOR ANYONE WHO WANTS TO TAKE THEIR RC CAR'S PERFORMANCE TO THE NEXT LEVEL.