yes.. a big black one.. but i guess a few have gone?... they can be a sod to get back in unless you sit them in boiling water... so i think a lot get chucked away... should be okay without?
Not really needed to be honest - we don't use it on the racer. But then we have also cut away just behind the slave area so that gravel etc can't get trapped in the bellhousing and burst a pipe when pressing the clutch (been there, done that lol).