After DynoCams began Camshaft Manufacturing it seems only natural that we would also have an advanced knowledge of the most desired Valve Springs. DynoCams Valve Springs come from a great deal of Research and Development. We offer springs for Flathead, Animal, Clone and Predator Engines. Once you have selected the engine from any of the subcategories below you can look at the springs we offer for that particular engine. We strive to provide all the information you need so that you can make an informed decision on which spring is best for you.