ARP LS1/LS2 Water Pump with Thermostat Housing SS Hex Bolt Kit

This ARP kit combines a water pump and matching thermostat housing with stainless-steel hex bolts to provide durable fastening for LS1 and LS2 engine cooling systems. Ideal for performance and replacement applications, the assembly ensures compatible mating of pump and housing components while the SS hex bolt kit delivers corrosion-resistant clamping strength suited to road and track use. Specified for ARP-quality reliability, this package streamlines coolant-system service on GM LS1/LS2 platforms and reinforces OEM-style sealing and mounting where a robust, long-lasting fastener solution is required.