Manufacturer's Part Number:
Lisle Spill-Free Coolant Funnels
Summit Racing Part Number:
Sold as a kit.
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These Lisle spill-free coolant funnels include a threaded cap and adapter for newer GM threaded-type radiator openings. They eliminate trapped air pockets, which usually cause erratic cooling system and heater performance. The funnels control the proper amount of coolant entering the system and enable the unattended filling of the cooling system. Lisle spill-free coolant funnels include five adapters that will fit most domestic and import cars and light trucks. Their specially designed angled neck allows for use on radiator caps that are placed at an angle.
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