50 Degree Chrome Plated Water Neck Thermostat Housing 2660 - High Performance, Corrosion Resistant Premium Quality Automotive Parts at Your Fingertips! Upgrade your vehicle’s cooling system with our 50 Degree Chrome Plated Water Neck Thermostat Housing 2660. Designed for 1955-1965 Chevrolet V8 optimal performance and durability, this component is a must-have for any car enthusiast looking to enhance their engine’s cooling efficiency. Product Highlights: .