Threaded cap and adapter for newer GM -inch threaded style-inch radiator openings
Eliminates trapped air pockets which can cause erratic cooling system and heater performance
Controls amount of coolant entering system and enables unattended filling of the cooling system
Eliminates squeaky belts caused by coolant overflow and protects the environment
Includes four adapters which fit most domestic and foreign vehicles and light trucks

Technical Details

Size (LWH): 8.2 inches, 7.2 inches, 7 inches
Product Details
Product Dimensions: 8.2 x 7.2 x 7 inches
Shipping Weight: 1.1 pounds (View shipping rates and policies)
ASIN : B00BNSJ90A