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The ARP LS1/LS2 hex thermostat housing bolt kit supplies the hex bolts used to secure the thermostat housing on LS1 and LS2 engines. Provided as an application-specific hardware set, it simplifies housing replacement or reassembly by grouping the correct fasteners for those GM engines. The kit is intended to streamline thermostat housing service on LS1 and LS2 platforms.
ARP LS1 LS2 Hex Thermostat Housing Bolt Kit
