The ARP 12-point thermostat housing bolt kit is specified for LS1, LS2 and SS thermostat housings and provides the twelve-point fasteners needed to secure the housing during cooling-system assembly or servicing. Use this bolt kit when replacing or reinstalling thermostat housings on compatible LS-series applications to ensure correct retention and fitment.
ARP LS1 LS2 SS 12pt Thermostat Housing Bolt Kit