This is ARC Low Arm F/R Set (Soft).
Flex composite nylon arm set for R10 Series Cars. It provides extra traction in low traction surface,also slow down the initial response Very use full option parts to fine tune your car in low grip tracks. Both Front and Rear arm mark “S” on the Arm,easy to identify. Sell in 1 front and 1 rear arm,plastic shims included .