Chevy SBC 350 15 Degree Swivel Aluminum Thermostat Housing Water Neck Polished They do this using a

They do this using a unique design in which cooling tubes draw cool air through the transmission fluid

The Speedmaster design incorporates open-fin spacing that promotes airflow through the radiator to enhance the cooling and help eliminate clogging

They're available in several sizes to fit your valve covers

Cover your valvetrain with a set of Speedmaster cast aluminum valve covers

They have injector bosses precisely positioned and machined for excellent fuel spray patterns and maximum power

Chevy SBC 350 15 Degree Swivel Aluminum Thermostat Housing Water Neck Polished They do this using aThese chrome water necks from Speedmaster add a touch of class to your cooling system. They're available for a variety of applications. O ring seal and bolts are included.