Cleaning surface rust on used spacers

[Tromance]

I've just purchased some second-hand front hubcentric spacers and rear stub axle spacers for my 172 Cup, but they have a small amount of surface rust on them.
Is this anything I need to worry about? I'm aware that it's best to have as clean and flat a surface as possible when installing the spacers, particularly on the front, so what's the best way to prep them before installation?
The rears seem a bit worse - again, any suggestions on the best way to tackle it, if indeed it even needs tackling?
Cheers.

 

[dangerous dave]

Wire wheel only takes the crud off or a sheet of 120 or higher grade sand paper on a flat surface to take off the high spots... Don't go mad, just clean them up..

A brush of bilt hamber rust proof or similar will blacken them up and keep them fresh a little longer..

 

[Tromance]

Thanks Dave, appreciated. I've just noticed the fronts have got a couple of little dinks on them too, presumably from when they were posted, that will need flatting off. No need to treat them or anything like that?

 

[dangerous dave]

I just added that.. Yeah I would to keep the rust away a little longer..

Most faced parts don't get paint so I'd avoid painting.

 

[1812lsd]

Could try some of this: http://www.halfords.com/motoring-tr...al-treatment/hammerite-rust-remover-gel-750ml and after that a going over with a wire brush.

 

[Mr R.]

The fronts are alloy, the rust is from the disc they where bolted to.

 

[Tromance]

Thanks all, appreciate it. My spacers will now be rust-free for eternity.

 

[1812lsd]

POR15 is great for thinly coating parts.

 

[Tromance]

Cheers 1812lsd. So, assuming the fronts just need flattening and cleaning, and won't rust, my best option would be to wallop rust remover all over the rears, then a couple of coats of POR15 all over? Or is it best to not do the faces of them?

 

[1812lsd]

Up to you, most will say don't, but if you only do two thin coats the paint is really not that thick, so tolerances should be fine.

 

[1812lsd]

To stop the mating face of the front spacers doing the same again, give them a smear of copper grease/slip.