Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The ARP thermostat housing bolt kit for GM Duramax LB7–LBZ 6.6L (street) is a set of 12-point fasteners intended for thermostat housing service on these Duramax engines. Specified for LB7 and LBZ 6.6L applications, the kit supplies correct replacement hardware for housing removal and reinstallation during cooling-system maintenance or engine repairs.
ARP GM Duramax LB7-LBZ 6.6L 12pt (street) thermostat housing bolt kit
