what is this part ?

[mgoode180566]

I dont have this on my ph1 172! Strut is held together with a flat nut and the strut passes through the mount. Where do these fit ?

 

[Coops Mk1]

One of the revised design ones I think, I've never run one as never had any knocking issues

 

[mgoode180566]

One of the revised design ones I think, I've never run one as never had any knocking issues

Thanks, if thats the case then ill leave alone