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The SPC Performance Flex‑Air HD shim is a torque‑arm shim supplied six per box for adjusting thrust angle and toe on Peterbilt and Kenworth Flex Air suspensions. These shims let technicians fine‑tune alignment by shimming the torque arms, restoring proper thrust and tracking. They are compact, economical alignment parts intended for professional service use when Flex Air torque‑arm adjustment is required.
SPC Performance FLEX-AIR HD SHIM 1/8(6)
