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 If the bolt’s head and threads look to be in excellent shape, there’s no harm reusing the original. It must be tightened to 160 ft-lb using a 15⁄16-inch socket, and installation requires a torque wrench with such capability. We use a high-quality torque wrench with a maximum setting of 250 ft-lb for accurate installation. ARP offers a few different replacement damper bolts if yours needs to be replaced. It suggests its own torque specifications for its bolts.