Cheers, I'm hoping the "????" isn't an 'are you for real?' question. The only reason I ask is I've had a few series 2a bell housings, all with the same matt black sealant around the cross shaft grommet. It's not the rubber it'self as it exceeds the radius of the grommet, so I'm assuming it's...

Hi there! I see everyone uses a black sealant for the grommet on the bell housing although I cant work out what it is. I did a "sealant" search for the bell housing grommet but I couldn't find anything. I'm assuming whatever it is, is better than silicone, so everyone uses it. Cheers, chaps &...