Notice the polished end castings. They do not come with the kit.
visit the options page for info.
This is the Crank case E-Vac
It is a one way valve that will
alow the exhaust passing by the
pipe inside the exhaust pipe
to suck the extra blow-by from
the case. You will hook it up to your breather box.
Its a must to keep your
motor looking clean!