ARP Water Pump & Thermostat Housing Bolt Kit for LS1 LS2 SS 12pt

ARP Water Pump & Thermostat Housing Bolt Kit for LS1/LS2/SS (12pt) Upgrade the reliability of your GM LS1 or LS2 engine with this precision-engineered ARP bolt kit. Designed for water pump and thermostat housing applications on SS models, the 12-point head bolts provide superior clamping and corrosion resistance for long-term durability. Fitment: Direct fit for LS1, LS2 and SS water pump & thermostat housing applications. Design: 12-point ARP heads for improved access in tight engine bays and consistent torque application. Material & Finish: High-strength alloy with protective coating to resist rust and galling under thermal cycling. Includes: Complete set of water pump bolts and thermostat housing bolts required for a proper installation. Performance: Engineered to meet OEM clamping requirements and provide reliable sealing to prevent leaks. Whether you're rebuilding, upgrading, or performing routine maintenance, this ARP kit delivers the fit, strength, and dependability builders expect. Replace worn hardware with quality components that help maintain engine integrity and cooling system performance.