Wots this for

[psychedelicropcircle]

In besides the piston of a GT kit. As these pistons are for bikes I assume it's nowt to do with scooters?

[hendy]

It's a ring separator from a 350lc.

You don't need it on the gt kit you're building

[Tractorman]

It looks like part of an oil control ring set. They go at the bottom of a piston on a 4 stroke set up.

[corrado]

Is it a Scottish 50p after Independence?

[jonzo172]

I found exactly the same when I changed the rings on my GT kit.
I contacted Rich Taylor who he told me it wasn't needed. I have a fair few thousand since my new rings with no issues.

[molibdimum]

It looks like there's a baby on the way