[@michaelnettleton3033]

The corrosion is where the dust seals sit- repair kits are available from hill engineering in uk.

[@christschool]

I believe Eurospares carries piston rebuild kits.

[@sffautoworks3116]

Thanks for the info. Eurospares is a great place to buy parts.

[@sh0ckerturb0]

Hill engineering makes new ones

[@welchy1975]

Great vid, Did you find out if they are powder coated or painted?

[@michaelnettleton3033]

You need to pump the pistons out with a grease gun filled with engine oil