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The ARP thermostat housing bolt kit for GM Duramax LMM 6.6L (street) supplies 12-point bolts intended for thermostat housing service on LMM Duramax engines. This kit provides the specified fasteners required when performing cooling-system repairs or replacing the thermostat housing on 6.6L LMM applications, simplifying reassembly with correct hardware.
ARP GM Duramax LMM 6.6L 12pt (street) thermostat housing bolt kit
