Popped in the hard plastic camchain button from Ben Harman while doing an oil change.
I don't have clever videos for you like Rob (iirc??) but it does sound a bit quieter. Might be partly down to putting fresh 10/40 in but I'd say it's worth a tenner for the peace of mind. Thanks Ben!
Stock one below. Not terrible but not like new either and only done about 3k miles. I done feel it should be a wear part!