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The ARP thermostat housing and water pump bolt kit supplies hex water pump bolts plus thermostat housing fasteners for LS1 and LS2 small-block installations. Presented as a combined kit, it bundles the necessary hardware for servicing the front-end cooling assembly on those engines. This kit helps simplify reassembly during pump or thermostat replacement by providing matched bolts for both components.
ARP LS1 LS2 SS Hex Water Pump Bolts w/ Thermostat Housing Bolts Kit
