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This ATI damper bolt pack is tailored for LS1 Y-body engines with rear pulley setups, supplying aluminum 5/16 flat-head bolts intended for that configuration. The flat-head aluminum fasteners provide the correct form for securing the pulley assembly while matching Y-body design requirements. Use this kit when servicing LS1 Y-body dampers that specify aluminum flat-head 5/16 bolts.
ATI Damper Bolt Pack - LS1 Y Body w/Rear Pulley - Aluml 5/16 Bolts - Flat Heads
