1.SPECIFICATIONS: This Coolant Filling kit includes the following: a funnel, a fluid stopper, a threaded cap adapter with gasket for GM, a threaded cap adapter with gasket for Ford, a small cap, a medium cap, a large cap, a 5inch straight extension, two 2 1/4inch 45 degree elbows, and two clear tubes. 2.DESIGN CONSIDERATIONS: Our Coolant Filling Kit allows you to easily refill automotive cooling systems without having to worry about spilling, which could lead to squeaky belts and trapped air pockets that can impact performance. The stopper helps prevent an excessive pressure buildup during filling, while the extension and elbows allow you to work in hard to reach places. 3.APPLICATIONS: This coolant filling set works with radiators and surge tanks on most domestic and imported vehicles. It even includes two threaded cap adapters with gaskets specifically for GM and Ford vehicles. 4.RELIABLE EFFECTIVE EFFICIENT: Users trust to be quality tools. You are backed by our Performance Assurance Limited .