Crankcases can be cleaned inside as well as out,
leaving them in as new condition.
Aqua blasted cases are much easier to keep clean than sand blasted ones.
They do not need blanking off, and are much easier to clean before assembly
Internal parts can be brought back to factory new condition.
for very little cost.
Get a professional finish for your next rebuild.
Stainless steel collector boxes can be brought
back to a satin finish removing any burnt on oil.
Exhaust pipes that are badly stained and will not clean with buffing, can likewise be treated.
They will need re-buffing afterwards.