This ATI damper bolt pack is intended for LS1 F-body engines with a rear pulley and supplies aluminum 5/16 bolts. The kit provides the correct aluminum fasteners commonly used on F-body rear-pulley damper assemblies, helping ensure proper fit and fastening when replacing or servicing the harmonic balancer and associated pulley hardware.
ATI Damper Bolt Pack - LS1 F Body w/Rear Pulley - Aluml 5/16 Bolts