Of course these are not included on our new Raptors. I wonder why? These engines are incredible and I don't want any damage done due to oil vapors returning back through my intake. I am planning on ordering one online. What do you guys think? Ford parts guys say that any oil returned to my intake will be reburned by the valves. Hmmmmmm bad advice. I know it will cause my valves to prematurely develop deposits. Just want to protect the investment. They cost $139 up to 369.00. Not bad.