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ARP bolt kit supplying 12‑point stainless steel water pump bolts and thermostat housing bolts for LS1 and LS2 applications. This hardware set replaces factory fasteners with ARP’s stainless 12‑point bolts where specified, intended to be used when servicing the water pump and thermostat housing on compatible LS‑series engines.
ARP LS1 LS2 SS 12pt Water Pump Bolts w/Thermostat Housing Bolts Kit
