The Yokomo S4-008RL5A Rear Suspension Arm is made specifically for the YZ-4S to deliver a snug fit and crisper handling on high-grip tracks. This graphite-molded arm is 1mm longer than the RS4 equivalent, giving improved roll control and sharper turning response. Built with club and competitive racers in mind, it balances toughness and the flexible characteristics needed for performance setup.
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