WTB Tired Front Koni Yellow's for 75.

[Duk]

I'm after some worn out front Koni Yellows for a 75.
I have some ideas on adding bump adjustment as well having an adjustable blow off feature (what Bilstein market as digressive valve) and would prefer to use a pair (will only do rears if this all works) shock that needs an overhaul rather than my 'done nearly no work' overhauled ones.